Clean Air Top 500

Ranking of Top 500 influencers and players active on Twitter in Clean Air – tackling issues from pollution and urban smog, through to indoor air quality and sick building syndrome. Players listed on the leaderboard will range from government bodies and campaigning organisations, to specialist contractors and market-leading engineers; from those concerned with policy and best practice, business strategies and design solutions; to innovators in technology and materials, plus experts in emissions monitoring, measuring and metrics. Weekly update day: Tuesday.

The Leaderboard ranks Players on the basis of scores that measure interactions and influence across all major social-media channels and online, with the metrics provided via leading independent platform Klout.

Curated and Managed by Jim McClelland @SustMeme, the data is published by McClelland Media Ltd, in association with the BESA @BESAGroup. As the UK’s leading trade organisation for building engineering services contractors, the Building Engineering Services Association (BESA) is championing the need to monitor and improve the air quality in buildings. BESA represents the interests of firms active in the design, installation, commissioning, maintenance, control and management of engineering systems and services in the built environment.

To view other sectors for which SustMeme rankigs are published please return to the main Top 500 menu.

For all news of Top 500 releases, updates and peer group notifications, please Follow dedicated Twitter feed: @SustMemeTop500.

To access and learn more about the full range of Top 500 member features and options, please see the Rise Player Guide, plus visit the Clean Air Top 500 host platform direct.

Rank Player Change Index


SiemensBuildingTech Profile Image SiemensBuildingTech
Ingenuity for life creates perfect places. Time to create your own perfect place with building technology from Siemens! #CreatingPerfectPlaces
-0.0 87


Carrier Profile Image Carrier
A world leader in high-tech heating, air-conditioning & refrigeration solutions for residential, commercial, retail, transport & foodservice. Part of @UTC_CCS.
-0.1 81


ClientEarth Profile Image ClientEarth
Justice for planet Earth
-0.0 81


VELUX Profile Image VELUX
Official account for the VELUX Group. Sharing our vision of creating better #indoorclimate, #energyefficiency and #healthybuildings with daylight and fresh air.
-0.0 78


Clean Air Network Profile Image Clean Air Network
HK's leading NGO on air pollution, the city's biggest public health crisis, killing 8 people a day. Get HK PM2.5 updates from us twice a day at @CANalert!
-0.0 74


CalSTA Profile Image CalSTA
California State Transportation Agency develops and coordinates state transportation policies and programs to meet safety, mobility and air quality objectives
-0.6 73


Moms Clean Air Force Profile Image Moms Clean Air Force
We're a community of moms and dads who are uniting for clean air and our kids’ health. For tweets in español: @MamasAireLimpio
0.0 71


Theresa Griffin MEP Profile Image Theresa Griffin MEP
Labour MEP for the North West of England. @EuroLabour Chair. @EUFORES_EU VP. Member of @EP_Industry, @EP_Transport and @EP_Emissions.
-0.1 66


SEI   Research Profile Image SEI Research
Stockholm Environment Institute, SEI. Independent research bridging science & policy. #sustainability #energy #water #food #water #climate #air #development
0.2 66


Brit Lung   Foundation Profile Image Brit Lung Foundation
We’re the only UK charity looking after the nation’s lungs. With your support, we’ll make sure that one day everyone breathes clean air with healthy lungs.
0.3 66


Tom   Edwards Profile Image Tom Edwards
Transport & Environment Correspondent BBC London. Story ? Email
1.0 66


T&E Profile Image T&E
T&E is Europe's leading NGO campaigning for cleaner #transport: #diesel #biofuels #EV #bike #cars #shipping #aviation #train #oil #truck #palmoil
0.3 65


Clean Air In London Profile Image Clean Air In London
Simon Birkett, as Founder and Director of Clean Air in London. Updates on air pollution, #OneAtmosphere, @UNEP's #GEO6 and #ThePutinCartoons. Daily since 2006
0.3 65


NCAR Science Profile Image NCAR Science
National Center for Atmospheric Research. We study the entire Earth system, from the oceans to the exosphere. #water #weather #climate #airquality #spaceweather
-0.2 64


Mark Z.   Jacobson Profile Image Mark Z. Jacobson
Prof. of Civil & Env. Engineering; Director-Atmosphere/Energy Program; Research-climate, air pollution, clean/renewable energy; Cofounder-The Solutions Project
0.2 63


DeSmogBlog Profile Image DeSmogBlog
Clearing the PR Pollution That Clouds Climate Science.
0.6 63


Better Transport Profile Image Better Transport
Our charity campaigns for affordable green transport that improves all our lives.We make good transport ideas a reality.
-0.2 63


Mark W   Tebbutt Profile Image Mark W Tebbutt
IT contractor. Lived in 0 carbon /air pollution home 2011 to 2015. Nissan Leaf electric car driver since March 2011. 0 direct fossil fuel use Apr 2011-Feb 2015
0.0 62


Clean Cookstoves Profile Image Clean Cookstoves
A UN Foundation-hosted initiative to create a thriving global market for clean and efficient cookstoves and fuels. Cooking shouldn't kill.
0.9 62


Spokes   CycleCampaign Profile Image Spokes CycleCampaign
Spokes, the Lothian Cycle Campaign: fighting for better conditions for everyday journeys by bike, particularly in Edinburgh & Lothian. Also lobby Scottish Govt.
0.1 61


Copernicus ECMWF Profile Image Copernicus ECMWF
The Climate Change Service (C3S) & Atmosphere Monitoring Service (CAMS) for the Copernicus Earth Observation Programme, Europe's eyes on the Earth.
0.4 60


Danfoss Cool Profile Image Danfoss Cool
Expert in the development of technologies of today & tomorrow in Food Retail, Air Conditioning, Industrial & Commercial Refrigeration #Cooling #HVAC #Turbocor
0.1 60


DeSmog   UK Profile Image DeSmog UK
Non-profit news, investigative journalism, and analysis on climate and energy issues in Britain.
-0.2 60


NC Conservation Ntwk Profile Image NC Conservation Ntwk
Protecting North Carolina's air, water, and natural places. Join us:
-0.1 60


Proterra Inc. Profile Image Proterra Inc.
Heavy-duty electric vehicle manufacturer delivering clean, quiet transportation for all.
1.3 60


Climate & Clean Air Profile Image Climate & Clean Air
Global partnership to reduce Short-Lived Climate Pollutants & their impacts on climate change, air pollution. Secretariat @unep. #Methane #BlackCarbon #HFCs
-0.7 60


Studio Roosegaarde Profile Image Studio Roosegaarde
Designlab for Landscapes of the Future - Art, Design, Architecture - Dreaming and Doing - Posts by Daan & Marie Anne.
-0.1 60


Airparif Profile Image Airparif
Association de surveillance de la qualité de l'air en Île-de-France
-0.9 59


Martin Brown Profile Image Martin Brown
#ImagineBetter Sustainability provocateur & consultant | author @FutuREstorative | speaker | UK @livingbuilding | EU @COSTRestore | | cycling, outdoors,nature
0.1 58


Mitsubishi  Electric Profile Image Mitsubishi Electric
Experience total home comfort while conserving energy and filtering allergens — all at the touch of a button. #MakeComfortPersonal
0.3 58


FIA Foundation Profile Image FIA Foundation
The FIA Foundation supports safe, clean, fair and green mobility to improve health and protect lives around the world.
-1.3 58


Air Resources   Board Profile Image Air Resources Board
The California Air Resources Board (CARB) is the state's lead agency in the fight against #AirPollution & #ClimateChange.
-1.0 57


Healthy Air Profile Image Healthy Air
Cleaner air for a healthier life - Healthy Air aims to inform the public about the health threat of air pollution. Led by
1.2 57


Emerson Technicians & Skilled Trades Profile Image Emerson Technicians & Skilled Trades
Emerson Commercial and Residential Solutions - Industry channel designed to curate content for our #HVACR and #SkilledTrades audiences
0.4 56


Respire Association Profile Image Respire Association
#Qualitedelair #Pollutiondelair #justice #pm10 #NO2 #asthme #BPCO #health
-0.2 56


Transform Scotland Profile Image Transform Scotland
Scotland's alliance for sustainable transport. We campaign for pedestrians, cyclists and public transport users. Follow our social enterprise @trans_creative
-0.1 56


WELLcertified Profile Image WELLcertified
At IWBI we believe that buildings should be developed with people's health and wellness at the center of design. #WELLBuildingStandard
0.3 56


The   ICCT Profile Image The ICCT
The International Council on Clean Transportation. Technical research and analysis for environmental policy in the transportation sector. RT≠E.
-0.7 56


Danfoss Drives Profile Image Danfoss Drives
Our portfolio of high-quality, application-optimized AC drives maximizes process performance, saves the most energy and minimizes emissions.
-2.0 56


David   Frise Profile Image David Frise
CEO of the FIS represents fit out & finishes industry. Big on BIM - BIM4FitOut Long suffering Spurs fan. Oh & occasional stand up comedy. Views my own
3.9 55


Dr. Richard Corsi Profile Image Dr. Richard Corsi
Professor. Indoor air quality researcher. Dog sympathizer. Music lover. Tremendous faith in younger generations.
-1.1 55


Manas Fuloria Profile Image Manas Fuloria
Entrepreneur. Co-founder and CEO at Nagarro. Chair of the NASSCOM Regional Council, Haryana. Serious about air pollution and road safety. Views are personal.
0.2 55


GreenFleet Profile Image GreenFleet
The publication dedicated to environmental fleet motoring and low emissions fleet technology
1.5 55


Jonathan Leake Profile Image Jonathan Leake
Science & Environment Editor at The Sunday Times jleake(at)sunday-times inc energy, fishing, air pollution, transport. impacts of Brexit on farming etc
0.7 55


BreezoMeter Profile Image BreezoMeter
Helping product managers & innovators improve technology with #AirPollution data. Always know what’s in the air.
0.0 55

(43) Profile Image
Transforming the heating and ac industry. Educating consumers and connecting them w/ quality #HVAC #contractors. Contractors learn more at
0.1 55


MPCA Profile Image MPCA
Minnesota Pollution Control Agency. Working to protect and improve the environment and enhance human health. Monitored M-F 8am-5pm.
0.5 55


Air Quality In India Profile Image Air Quality In India
All about India and air pollution (#IndiaAQ). RTs are not endorsement. Curated by @pallavipnt
0.1 55


Danfoss   Group Profile Image Danfoss Group
We supply #energyefficient and climate-friendly solutions for selected industries. Check our latest news.
1.3 55


UTC CCS Profile Image UTC CCS
UTC Climate, Controls & Security’s industry-leading brands support safe & sustainable buildings, & protect & preserve the global food supply. #BuildingPossible.
1.3 55


MCAF Pennsylvania Profile Image MCAF Pennsylvania
We're a community of moms and dads who are joining together to fight for clean air and our kids’ health in Pennsylvania.
2.1 54


Rheem Manufacturing Profile Image Rheem Manufacturing
Rheem is a leading provider of gas furnaces, heat pumps, air conditioners, air handlers, indoor air quality products, gas and electric water heaters.
-0.1 54


Plume Profile Image Plume
#CleanAirTogether. Creators of Flow, the smart air quality tracker. Pre-order now to grab limited time only early-bird pricing!
0.7 54


Muki   Haklay Profile Image Muki Haklay
Professor of GIScience at @ucl, directing @UCL_ExCiteS. PI of @EU_H2020 @TogetherSci & @ERC_Research advanced grant projects
-0.8 54


Spare The   Air Profile Image Spare The Air
The Spare the Air program encourages Bay Area residents to reduce air pollution by driving less, carpooling, taking transit, and walking and biking.
-0.8 54


NCAScience Profile Image NCAScience
The National Centre for Atmospheric Science (UK) - Air Quality, Climate, Weather & Atmospheric Technology research and facilities.
-0.1 54


Daniel Alrick Profile Image Daniel Alrick
Meteorologist at @AirDistrict in San Francisco. Weather & air quality. @ValpoU & @UW alum. Former Michigander. Storm chaser.
-0.3 54


Open_AQ Profile Image Open_AQ
We're a non-profit fighting #airinequality by sharing #opendata, amplifying #opensource work+convening a global community.
-0.0 54


ASHRAEnews Profile Image ASHRAEnews
Shaping Tomorrow's Built Environment Today
-0.4 54


Clean Air Council Profile Image Clean Air Council
Protecting everyone's right to breathe clean air.
0.1 53


Molly   Rauch Profile Image Molly Rauch
Mom. Pollution fighter. Seeking climate solutions, healthy communities, renewable energy, activism, karaoke. MPH. Public Health Policy Director, @cleanairmoms.
-0.5 53


Zero Emissions Ntwk Profile Image Zero Emissions Ntwk
Award winning Zero Emissions Network helps businesses and residents save money and improve air quality in #Shoreditch #Spitalfields #TechCity #DeliveryDriver
-0.2 53


Clean Air   Asia Profile Image Clean Air Asia
Clean Air Asia is the premier air quality network formed by the ADB, World Bank, and USAID. It works towards better air quality and livable cities in Asia.
0.1 53


Breathe Better Profile Image Breathe Better
Official Twitter account for COPD Learn More Breathe Better, a program by @nih_nhlbi that raises awareness for those at risk for and living with COPD.
0.7 53


BioLite Profile Image BioLite
Bring #energyeverywhere with products that help you cook, charge and light life off the grid.
0.8 53


Jenny   Bates Profile Image Jenny Bates
Air Pollution Campaigner/expertise for @friends_earth, living in Greenwich, personal tweets.
0.4 53


South Coast AQMD Profile Image South Coast AQMD
Welcome to the South Coast AQMD Twitter page! We all breathe so we are all connected. Let's Connect to protect our AIR, our HEALTH, our FUTURE!
-0.6 52


CCA Profile Image CCA
The Coalition for Clean Air protects public health, improves air quality, and prevents climate change.
-0.3 52

(73) Profile Image
The UK's daily news and information service covering air quality and emissions
0.1 52


Bay Area Air Quality Profile Image Bay Area Air Quality
The Bay Area Air District is the country's first regional air pollution control agency.
-1.0 52


Airmid Healthgroup Profile Image Airmid Healthgroup
Research & testing lab. We provide independent data to verify health claims & develop products & services designed to improve the indoor environment.
-0.6 52


Sean   Reilly Profile Image Sean Reilly
Air quality reporter at Greenwire, Tips? Email me at or text to 202-316-4596.
1.0 52


Gareth Simkins Profile Image Gareth Simkins
Environmental policy journalist. Senior Writer @TheENDSReport responsible for air pollution, products and chemicals. Baker of fine cakes. Dad of two.
-0.1 52


Camfil Air Filters Profile Image Camfil Air Filters
Camfil USA is the world leader in air filtration systems & clean air solutions. #IAQ #CamfilUSA
-0.0 52


Rick Fedrizzi Profile Image Rick Fedrizzi
Improving human health and well-being through better buildings. Chairman & CEO, IWBI; Founding Chair, USGBC; Author, Greenthink: How Profit Can Save the Planet.
-0.5 52


London Air Profile Image London Air
The London Air Quality Network by King's College London. Combining monitoring, modelling & toxicology to advance understanding of health impacts of pollution.
-0.3 52


Sotirios P. Profile Image Sotirios P.
Air quality expert and Writer. Environmental supporter. #seetheair #environment #cleanair #airpollution #airquality Books @SeeTheAirBook & @Nicholas_Eyes
0.1 51


MCAF Florida Profile Image MCAF Florida
We're a community of moms and dads who are uniting for clean air and our kids’ health in Florida.
-0.4 51


#Breathe Profile Image #Breathe
India’s First Streaming Air Quality Monitoring Network Built On Low Cost Devices. Tweet replies on #breathe in collaboration with @TwitterIndia
0.4 51


Marina E Vance Profile Image Marina E Vance
Assistant Professor of Mechanical Engineering & Environmental Engineering @CUBoulder. Interests: #AirQuality, #nanotechnology, #IndoorChem.
-0.3 51


The NEWS Profile Image The NEWS
The NEWS is the HVACR contractor's weekly newsmagazine since 1926.
0.2 51


Valor Mold Profile Image Valor Mold
Valor Mold - Mold Removal Professionals Fairfax VA | Washington DC | Alexandria VA. If You Even Think You Might HAVE A MOLD PROBLEM...Call 571-210-2040
-0.2 51


Jim McQuaid Profile Image Jim McQuaid
Atmospheric Scientist, sometimes airborne, branching out into atmospheric inputs for @glacier_albedo. Occasional cloud botherer @SEELeeds
0.7 51


Defra Air Quality Profile Image Defra Air Quality
Official, automated feed for UK Air Quality from Defra. Latest info on Pollution, Forecasts & Health Advice. For queries email or visit:
-0.7 51


RTK Environmental Profile Image RTK Environmental
A top environmental testing firm providing helpful information about #health, #homes, #mold, #lead, #asbestos, #IAQ, #soil & #water contamination.
0.6 51


PennFuture Profile Image PennFuture
Pennsylvania's watchdog for clean air, pure water, and a healthy climate. (Philadelphia, Pittsburgh, Harrisburg, and Mt. Pocono locations.)
0.1 51


CleanAirMoms Action Profile Image CleanAirMoms Action
Political action partner of Moms Clean Air Force. We are building strong, bipartisan support to protect our children from the health impacts of air pollution.
-0.6 50


Breathe   Utah Profile Image Breathe Utah
Advancing solutions to Utah’s air quality through education, multi-stakeholder collaboration and good policy.
-0.3 50


#NationalCleanAirDay Profile Image #NationalCleanAirDay
The next #CleanAirDay will be on 21st June 2018 - join us to help tackle and raise awareness of #airpollution. Organised by @globalactplan and partners.
0.1 50


Taco Comfort Profile Image Taco Comfort
Welcome to Taco, a third generation, family owned American manufacturer of the highest quality comfort solutions for residential and commercial applications.
2.6 50


CityAir Profile Image CityAir
Working to improve air quality for residents, workers and businesses within the #CityofLondon. Developed the free #CityAir app @
1.8 50


The official Twitter account for YORK HVAC. Follow us to stay up to date with the latest news.
-0.1 50


Shelly L   Miller Profile Image Shelly L Miller
Environmental engineering professor, loves mountain biking & yoga, studies sources/health impacts/control of urban and indoor air pollution.
0.6 50


Zehnder PassiveHouse Profile Image Zehnder PassiveHouse
We are the experts in #PassiveHouse Ventilation. Send us your questions! Tweets by @Zehnder_UK.
1.0 50


Clean Air   Carolina Profile Image Clean Air Carolina
Our mission is to ensure cleaner air quality through education & advocacy and by working with our partners to reduce sources of pollution.
-0.4 50


Frank O'Donnell Profile Image Frank O'Donnell
President of the non-profit Clean Air Watch
-0.1 50


PS Clean Air Agency Profile Image PS Clean Air Agency
Puget Sound Clean Air Agency: healthy air for everyone, everywhere, all the time. Serving the people of King, Kitsap, Pierce, and Snohomish counties.
-0.2 50


BESA Profile Image BESA
BESA - The Building Engineering Services Association is the UK's leading trade organisation for building engineering services contractors.
1.3 50


Plants@work Profile Image Plants@work
Plants at Work Ltd - plants@work Representing the interior landscaping industry and promoting the benefits of using plants in offices.
0.5 50


Gary Fuller Profile Image Gary Fuller
I'm an air pollution scientist at King's College London. I also write the Pollution Watch column for the Guardian newspaper. The Tweets are my own.
0.1 50


Radha Muthiah Profile Image Radha Muthiah
Chief Executive Officer, Global Alliance for Clean Cookstoves
-0.5 50


Jeffery K Smith Profile Image Jeffery K Smith
Write about Air Pollution for WHO. Monitoring air quality & CleanTech since my daughter was hospitalized for respiratory distress in 2008. Tweets are personal
0.4 49


CleanAirUK Profile Image CleanAirUK
Network for Clean Air - People & communities for better #airquality & less #airpollution. Tweets not necessarily endorsements #citizenscience #citisci #cleanair
-0.2 49


Bruxsel'AIR Profile Image Bruxsel'AIR
We are a group of citizens from Brussels who want to breathe cleaner air and to push for change. You too? Join us! - Since September 2016
1.5 49


ACR Journal Profile Image ACR Journal
Essential information for air conditioning and refrigeration professionals. Subscribe FREE online to the magazine or weekly newsletter.
-0.2 49


IASS Profile Image IASS
Institute for Advanced Sustainability Studies #Governance #Economics #Energy #Resources #Climate #Air #Soil #Oceans Tweets @BiSchroeder @ESoeder Pic R. Schulten
-0.3 49


GreenAir   Online Profile Image GreenAir Online
Independent reporting on aviation's impact on the environment and climate change. Retweets don't necessarily mean we agree with them!
1.8 49


Nadine Profile Image Nadine
French Canadian postdoc in #atmoschem at ETH Zürich. Has opinions on South African #airquality, #photochemistrymatters, clouds, #scicomm and academia. Skier.
-0.2 49


ContractingBusiness Profile Image ContractingBusiness
#Business & technical #hvac news /leadership for residential commercial #heating #airconditioning #refrigeration #contractors.
-0.5 49


Linsey Marr Profile Image Linsey Marr
Engineering prof at Virginia Tech interested in air quality, nanotechnology, airborne disease transmission. Intellectual omnivore and avid recreational athlete.
0.3 49


Energy Smart HP Profile Image Energy Smart HP
Paving the way for consumers to get off fossil fuels now. Home Performance = Air Sealing + Insulation + HVAC + Indoor Air Quality. Content marketing geek.
0.7 49


Emilia Jane   Hanna Profile Image Emilia Jane Hanna
Air Pollution campaigner for Friends of the Earth Scotland. Retweets are probably endorsements.
1.4 49


ClairCity Profile Image ClairCity
Largest ever EU citizen-led air pollution reduction project. 4 cities + 2 regions, 1000s of citizens. #Horizon2020 Ethics:
0.2 49


CDPHE Air Pollution Profile Image CDPHE Air Pollution
The Air Pollution Control Division is committed to public health protection and the continual improvement of air quality.
1.8 49


Airlabs Profile Image Airlabs
Over 92% of people in cities are exposed to unsafe levels of #AirPollution! We aim to reduce this with our #CleanAir technology | #Pollution #Climate #Emissions
-0.3 49


Atmo Auvergne-Rhône-Alpes Profile Image Atmo Auvergne-Rhône-Alpes
Observatoire de la qualité de l'air en Auvergne-Rhône-Alpes - Indices de pollution, cartes de prévisions, actualités, publications, alertes pollution
-0.5 49


Naava Profile Image Naava
Reconnecting humanity with #nature | Smartest #Naava green walls on the planet bringing nature inside, everywhere | #cleantech #IOT #AI #IAQ #NordicMade
0.5 48


CNG Fuels Profile Image CNG Fuels
CNG Fuels is the UK's leading provider of CNG refueling infrastructure, supplying vehicles with 100% RTFO-approved renewable biomethane from waste
-0.6 48


Tony   Barboza Profile Image Tony Barboza
Los Angeles Times reporter covering air quality and the environment.
-0.3 48


CleanAirBXL Profile Image CleanAirBXL
schoneluchtBXLairpropre: Faisons respirer Bruxelles | Help Brussel op adem te komen | Help Brussels breathe - Sign petition
0.8 48


Christine   Wiedinmyer Profile Image Christine Wiedinmyer
Scientist in Boulder, interested in pollutant emissions and impacts, diversity in science, and cool science facts. My posts are my own.
-0.2 48


Mat Hope Profile Image Mat Hope
Editor of @DeSmogUK / PGP
0.3 48


Tim Chatterton Profile Image Tim Chatterton
Sustainability researcher (air pollution, climate change, energy, transport, built environment, public health, behaviour change) Views not necessarily my own!
-0.3 48


BetterAir Profile Image BetterAir
Your air, your choice. Better Air cleanses and brings balance to homes, offices and everywhere in between.
0.3 48


HelpDelhiBreathe Profile Image HelpDelhiBreathe
Mobilising citizens across Delhi to help solve our air pollution crisis.
0.5 48


Clean Air Profile Image Clean Air
Poor air quality kills & affects us all,its time to change attitudes.To pollute is a choice, breathing is not. Campaign for change? update Clean Air Act now.
-0.1 48


Julian Marshall Profile Image Julian Marshall
Professor of environmental engineering. Research: air pollution and health. Father, son, husband, brother. Bike rider.
-0.0 48


Two Wheels Good   Blog Profile Image Two Wheels Good Blog
Using bikes to get around London and making it safer + easier for everyone. Blogging + campaigning about cleaner air and cycling from A to B #space4cycling
-1.5 48


Maria Profile Image Maria
News on the health effects of wood burning. Image source: The American Lung Association in California
0.1 48


TheEnvironmentCentre Profile Image TheEnvironmentCentre
Independent environmental charity supporting the enhancement of the environment, reduction of natural resource use & improvement of lifestyles & local economies
0.2 48


Kaiterra Profile Image Kaiterra
Creators of the #LaserEgg smart air quality monitor! Monitoring and mapping the world's air to create skies that are bluer and a happier planet. #KnowYourAir
-1.3 48


CE Profile Image CE
CE is the distributor and wholesaler of leading HVAC/R brands: Carrier, Bryant, Payne, Gree and TopTech. Customer service and HVAC/R expertise is our focus.
0.5 48


Smart HVAC Products Profile Image Smart HVAC Products
We introduce new and innovative HVAC products to HVAC professionals.
0.4 48


Danfoss U.S. Profile Image Danfoss U.S.
#EngineeringTomorrow to do more with less today. Follow @Danfoss_US for sustainable solutions in the #HVAC and #refrigeration industries.
0.0 47


Lung Association   PA Profile Image Lung Association PA
The American Lung Association in Pennsylvania is fighting to improve #lunghealth and prevent lung disease.
0.3 47


Ruth Chambers Profile Image Ruth Chambers
Campaigner on environmental and social justice issues. Trustee of @WildLondon Chair of @CBTransport Parliamentary adviser to @GreenerUK_ @corecoalition
0.1 47


EP Scotland Profile Image EP Scotland
Working for a cleaner, quieter, healthier, sustainable Scotland. A RT or @ mention is not an endorsement.
0.4 47


Thomas Kerting #AIR Profile Image Thomas Kerting #AIR
Airpublican humanist / Humaniste airpublicain @Airpublica1 @LesRespirations @Aircolo @Fimea_fr
0.5 47


PakistanAirQuality Profile Image PakistanAirQuality
پاکی Pakistan Air Quality Initiative provides community driven air quality reports to increase social awareness #opendata founded by @abido
-0.2 47


HackAIR Profile Image HackAIR
What happens when you combine open technology, participatory sensing and air quality in Europe? We're here to find out.
-0.4 47


Stephany B. Mazon Profile Image Stephany B. Mazon
Atmospheric Science PhD student @INAR_fin. I study tiny particles in the air that affect #climate & #airquality. Mexican, ergo♥chili.
0.5 47


Matthew Tresaugue Profile Image Matthew Tresaugue
Communications manager @EnvDefenseFund. Working with @OneBreathHOU to reduce air pollution for a healthier and more resilient Houston.
-0.7 47


Beth Gardiner Profile Image Beth Gardiner
Freelance enviro journalist, writing for @nytimes, @guardian + more. My book on #airpollution will be out in 2019. American in London. Politics junkie. @AP alum
-0.7 47


Jo   Burgess Profile Image Jo Burgess
Fighting for clean air in an already badly polluted area!
0.3 47


Atmospheric Chem UoY Profile Image Atmospheric Chem UoY
The UK's first integrated centre for the studies of local and global air pollution, stratospheric ozone depletion and climate change. RTs are not endorsements.
-0.1 47


AirVisual Profile Image AirVisual
A community driving air quality awareness through no-nonsense information and access to live and forecast air quality data.
0.5 47


Amrit_sharma Profile Image Amrit_sharma
-0.1 47


Zehnder UK Profile Image Zehnder UK
Indoor Climate Solutions: Heating, Cooling & Ventilation.
-0.1 47


Mark Oliver  H+H UK Profile Image Mark Oliver H+H UK
CEO @Colt_Group providing & servicing innovative solutions & products for ventilation, smoke control, solar shading, louvre & climate technology
1.2 47


Tracey Holloway Profile Image Tracey Holloway
Professor @UWMadison; scientist, educator; #airquality #ESWN #goBadgers
0.2 47


LG Air Conditioning Technologies providing you the latest news and information on innovative HVAC and controls solutions.
-0.8 47


ORTECH   Consulting Profile Image ORTECH Consulting
Specialists in Air Compliance, Emissions/Odour Testing, Construction Monitoring and Power/Due Diligence consulting. Nicest Engineers on the planet
-0.2 47


GAHP Profile Image GAHP
Global Alliance on Health & Pollution: Partnering to solve #pollution problems & promote #health in low- and middle-income countries. #wecanfightpollution.
-0.2 47


Air South Asia Profile Image Air South Asia
Everything about air quality in South Asia, curated by @pallavipnt; founded by @pallavipnt and @AnobhaG
-0.3 47


FIMEA #Qualitéair Profile Image FIMEA #Qualitéair
Interprofessionnelle des métiers de l'#environnement #atmosphérique. Membre Conseil national de l'#air @Airpublica1 @Comite21 @PexeFrance @Durapole #qualitéair
0.9 47


APPG Air Pollution Profile Image APPG Air Pollution
Cross-party group for Parliamentarians and senior industry stakeholders to raise awareness of air pollution and promote practical solutions to poor air quality
1.4 47


Air PACA Profile Image Air PACA
Air PACA, association agréée pour la surveillance de la qualité de l'air en région PACA.
-0.3 47


My Health My Home Profile Image My Health My Home
Campaigning to raise awareness of & tackle health issues caused by deteriorating indoor air quality & poor ventilation in UK homes #asthma #allergy #CVD #Skin
0.5 47


AERGuru Profile Image AERGuru
Air Quality Activist and Human rights defender sharing latest research on human health risks related to recreational wood burning in residential and urban areas
0.6 47


ZeEUSproject Profile Image ZeEUSproject
Zero Emission Urban Bus System project gathers 40 partners under the coordination of UITP to bring electrification to the heart of urban bus networks
0.4 46


Air Aware Sheffield Profile Image Air Aware Sheffield
Air Aware Sheffield - where pollution comes from, the effects it has on your health and how 'What you do makes a difference'
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Clarity Profile Image Clarity
Leveraging our expertise in air sensing technology, IoT devices, & data analytics to make smart city air monitoring accessible and actionable.
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Hannelore Bové, Ph.D Profile Image Hannelore Bové, Ph.D
Developing new ways to visualize #soot from #airpollution
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Midwest Profile Image Midwest
Dust Control, Soil Stabilization, and specialty anti-icing. We service all 50 states.
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Dominique   Browning Profile Image Dominique Browning
Dominique writes at and founded the Moms Clean Air Force with the Environmental Defense Fund, to rally mothers to fight air pollution.
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SW Ohio Air Quality Profile Image SW Ohio Air Quality
The Southwest Ohio Air Quality Agency monitors air quality and regulates air emissions in Butler, Clermont, Hamilton and Warren counties.
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Maricopa County Air Profile Image Maricopa County Air
Tackling Phoenix air pollution. Commit to One Day a week and help clean up the air we breathe. Neither RT nor @mentions imply endorsement.
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Cath   Noakes Profile Image Cath Noakes
Civil Eng Prof at Leeds Uni. Airborne infection, ventilation, fluid dynamics, building physics plus STEM advocate, codeclub and random other stuff.
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Airflow Developments Profile Image Airflow Developments
Airflow Developments Ltd. is globally recognized as long established ventilation specialists who move air efficiently, quietly and with the utmost reliability.
1.0 46


Dr James Tate Profile Image Dr James Tate
I research transport, vehicle emissions and air quality from ITS, UoLeeds. Own views etc.
-0.3 46


Sarah Moller Profile Image Sarah Moller
Atmospheric chemist; interested in air quality, science-policy interaction, science outreach & KE. All views my own.
2.0 46


Sarath Guttikunda Profile Image Sarath Guttikunda
Atmospheric Pollution Modeler; Data Geek; TED Fellow; Promoting Public Policy Participation in Pollution Dialogue
-0.7 46


Sandra Cavalieri Profile Image Sandra Cavalieri
#BreatheLife @CCACoalition
1.9 46


Healthy Air London Profile Image Healthy Air London
In London, the legal air pollution limits are broken every year. Let's win our right to breathe healthy air in the capital!
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Shawcity Limited Profile Image Shawcity Limited
Leading supplier of monitoring instrumentation and solutions for Health & Safety, Occupational & Environmental Monitoring industries. Tel 01367 899 418
-0.2 46


Chelsea Thompson Profile Image Chelsea Thompson
Scientist in #atmoschem and #airquality, traveling the world for #science | Tweets mostly about science and flying, but I’m also human | Views are my own
-0.9 46


O2 Canada Profile Image O2 Canada
Join us on our journey to learn everything about air pollution, the effects on the human body and how we can help to solve it. #AirPollutionMovement
1.7 46


Coleman HVAC Profile Image Coleman HVAC
The official Twitter account for Coleman HVAC. Follow us to stay up to date with the latest news.
1.1 46


Service Experts Profile Image Service Experts
Service Experts Heating & Air Conditioning, your certified expert in heating, air conditioning and indoor air quality. 866-397-3787 |
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Andriannah Mbandi Profile Image Andriannah Mbandi
A #Kenyan #SAresearcher in #STEM researching on #Africa #AirQuality in #Cities in relation to #Transport #Emissions #Diesel #SDGs
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R Subramanian Profile Image R Subramanian
Mechanical engineer working on low-cost AQ monitors, soot & optical properties, methane... Center for Atmospheric Particle Studies (CAPS) at @carnegiemellon.
1.5 45


Chapman Ventilation Profile Image Chapman Ventilation
We do restaurant ventilation. And we do it well. Tweets by Chandni and Danielle.
1.8 45


Smoke Pollution Profile Image Smoke Pollution
Campaign against smoke pollution
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Susan   Valenti Profile Image Susan Valenti
Indoor Environmental Brain, Historian, Entrepreneur, Roller Skater, ACE Mom, President of IAQ Media Group, LLC.
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Peter   DeCarlo Profile Image Peter DeCarlo
Assoc Prof of EnvEng and Chem @DrexelUniv. Works on air quality and climate issues both locally and globally. @AAAS_STPF alum. Dad. Tweets are my own.
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CleanAirSouthampton Profile Image CleanAirSouthampton
Keeping up the pressure for clean air in Southampton. Sharing ideas, information and research. RTs are not endorsements
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Maria Nordin Profile Image Maria Nordin
IAQ-specialist & enthusiast. Architect. Blogger. #sisäilma = #IAQ
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☁️Air Apparent UK☁️ Profile Image ☁️Air Apparent UK☁️
Citizen science project bringing simple, affordable air quality sensing to Bristol and the rest of the UK.
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Danfoss Cool US Profile Image Danfoss Cool US
Contractor, wholesaler and end user support for the #HVAC and #refrigeration industries. Find tips, tricks, and tools to be sure you are equipped for success.
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Alan Andrews Profile Image Alan Andrews
Environmental lawyer working on issues affecting health and the environment, especially air pollution and climate change. All views my own.
1.7 45


REHVA Profile Image REHVA
REHVA is the Federation of European Heating,Ventilation and Air Conditioning Associations representing a network of more than 100000 engineers from 27 countries
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(175) Profile Image
Fighting for clean air, water & energy at #ncga & in our communities. Who we elect matters. #ncpol
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Johnstone Supply is your HVAC/R source for product, knowledge and service. Serving Massachusetts, New Hampshire & Greater Boston @ Waltham, Lowell, & Worcester
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CVAQ Valley Air Profile Image CVAQ Valley Air
The Central Valley Air Quality Coalition (CVAQ) seeks to create clean air and healthy, safe, and prosperous communities for everyone in the San Joaquin Valley.
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NASA Health Air Quality Applied Sciences Team (HAQAST), connecting NASA science with health and air quality (2016-2019). Tweets not official NASA communication
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RABScreen Profile Image RABScreen
A unique air intake filter screen business in Newbury providing Permatron Prevent Equipment Protection products
-0.4 45


Daniel Dix Profile Image Daniel Dix
Meteorologist and Air Quality Scientist in the Twin Cities. Big Twins/Vikings/Wild fan. Proud Minnesota State @ Mankato alum. Always an eye on the sky.
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Ronak Sutaria Profile Image Ronak Sutaria
Building technology solutions in urban IoT, data sciences & genomics. Founder, @urbansciencesIN. Researcher at IIT Bombay.
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Johnson Co. Recycles Profile Image Johnson Co. Recycles
Your resource for all things sustainable and green in Johnson County, KS and KC Metro Area. From recycling to air quality. Part of Johnson Co. Health and Env.
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Charles Law Profile Image Charles Law
Managing Director at Sustainable Construction Solutions Ltd, focussing on the circular economy and responsibly sourced materials, with a passion for timber.
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Helena Molin   Valdes Profile Image Helena Molin Valdes
Leading Climate & Clean Air Coalition Secretariat-@UNEP @CCACoalition. Passion: family,#ClimateAction short-lived climate pollutants #SLCPs #BreatheLife
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Monodraught® Profile Image Monodraught®
Natural Lighting, Natural Ventilation and Natural Cooling
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Aclima, Inc. Profile Image Aclima, Inc.
Aclima designs and deploys sensor networks that advance Environmental Intelligence for people and the planet.
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Dr Ben Profile Image Dr Ben
Air quality researcher, runner and mountain walker. Cymro o Cwmtawe
1.0 45


MCAF Tennessee Profile Image MCAF Tennessee
We're a community of moms and dads who are uniting for clean air and our kids’ health in Tennessee.
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Kaos Dog- Bill Lewin Profile Image Kaos Dog- Bill Lewin
Time to end Residential Wood Burning. Wood burning accounts for 97% of PM2.5 emissions associated with heating in B.C. and accounts for 10% of heating needs
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ISCAPE is a @H2020 project Improving the Smart Control of Air Pollution in Europe #airpollution #livinglab #climatechange video:
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AirPublic Profile Image AirPublic
Building real-time air quality data that reflect the movements and lives of everyday people | Supported by @Organicity_EU @climateKIC @KingsCollegeLon
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ALAUM Air Quality Profile Image ALAUM Air Quality
We're a team of environmental experts from the American Lung Association tackling indoor and outdoor air quality issues. Follows/Retweets/Likes ≠ endorsement.
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LoCITY Profile Image LoCITY
LoCITY is an industry led programme, helping the freight and fleet sector lead the way in improving air quality and reducing carbon emissions #LoCITYUK
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Dearman Profile Image Dearman
Official account for Dearman, a global zero emission tech company. Using liquid nitrogen to improve air quality, and make the world a cleaner, cooler place.
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Yekbun   Gurgoz Profile Image Yekbun Gurgoz
Finance & Household Energy Initiative Coordinator @CCACoalition #financialinclusion #SLCPs #cities #methane #blackcarbon #climate Tweets own views
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Brandon Boor Profile Image Brandon Boor
Assistant Professor at Purdue University studying the tiny particles in the air you breathe #IAQ #aerosols #exposure
2.7 44


Yolo-Solano AQMD Profile Image Yolo-Solano AQMD
Yolo-Solano Air Quality Management District is dedicated to protecting human health and property from the harmful effects of air pollution.
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Jessica Hodge Profile Image Jessica Hodge
Interested in air quality, pollution, environmental justice, and politics. Currently work on Air issues for Earthjustice.
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Healthy Air PA Profile Image Healthy Air PA
No Pennsylvanian should have to breathe toxic air. @AmericanLungPA is improving PA's air & preventing Congress from weakening the Clean Air Act.
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NAQTS Profile Image NAQTS
We're a social enterprise which make high-quality, affordable #airpollution monitoring technology. #UnderstandYourAir #IAQ
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Daniel Rieger Profile Image Daniel Rieger
Working with Germany's leading eNGO NABU as transport policy officer. Focus on sustainable mobility, shipping and air quality. Views are my own. #Verkehrswende
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Peter Hansford Profile Image Peter Hansford
Civil Engineer | Professor of Construction & Infrastructure Policy at UCL | Saracens supporter
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Rebecca Garland Profile Image Rebecca Garland
Atmospheric scientist working on air quality and climate impacts in South Africa
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GEM Air Quality Ltd Profile Image GEM Air Quality Ltd
GEM Air Quality Ltd is an independent air quality consultancy, specialising in air quality assessments for EIA's and Planning Applications in the UK
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CRP's CABB Programme Profile Image CRP's CABB Programme
@CrossRiverPship's Clean Air Better Business (CABB) programme supports businesses to improve air quality across central London. #MAQF
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Chris Carlsten Profile Image Chris Carlsten
professor, respirologist, occupational lung disease specialist, director of the Air Pollution Exposure Laboratory, expert in controlled human exposure models
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San Diego Co. APCD Profile Image San Diego Co. APCD
Mission: Improve Air Quality to protect public health and the environment. Vision: Clean air for all
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Clean Air Institute Profile Image Clean Air Institute
Non-profit organization committed to save lives and protect welfare from air pollution and climate change impacts| Tweets en Inglés y Español
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Wood smoke is pollution. We are an international coalition dedicated to reducing harm to human health and our climate by decreasing wood burning.
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The Built Environment Research Group advances research in energy and air quality in buildings at Illinois Institute of Technology. Tweets by Brent Stephens.
1.4 44


AAPCA Profile Image AAPCA
The Association of Air Pollution Control Agencies is an organization of state & local air quality regulators. Affiliated w/ @CSGovts.
1.4 44


Ziv   Lautman Profile Image Ziv Lautman
Technology. Innovation. Environment. Co-founder @BreezoMeter. Love outdoors!
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PanasonicIAQ Profile Image PanasonicIAQ
The Next Generation of high performance #ventilation and indoor air quality (#IAQ) solutions for a more healthy, safe and comfortable home.
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Filtration AndSep Profile Image Filtration AndSep
Filtration+Separation is an international magazine reporting on technology & business developments in the #filtration industry. #filters
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Construction Dust UK Profile Image Construction Dust UK
Raising awareness of the air quality impacts from construction & demolition activity and machinery. Testing NRMM emission reduction technology with PEMS
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Eminox Ltd. Profile Image Eminox Ltd.
Eminox designs and manufactures emission reduction technology for heavy duty diesel vehicles and equipment.
0.4 44


Pallavi Pant Profile Image Pallavi Pant
Air pollution scientist | Language enthusiast | Interested in #STEM and #scicomm. Tweets are my own. Founder @airqualityindia & co-founder @airsouthasia
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Rosalind O'Driscoll Profile Image Rosalind O'Driscoll
All things #airquality, views are my own.
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John Volckens Profile Image John Volckens
Fighting air pollution one particle at a time. This might take a while...
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Doug Collins Profile Image Doug Collins
Chemist and Earth Scientist. Postdoc @ChemUofT. Interests: #IndoorChem, #MassSpec, the #Arctic, the #Ocean, #Clouds, and our #Environment.
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Paolo Bruno Profile Image Paolo Bruno
Air Quality Expert, co-founder @ISPIRA_sas twitting and rt about #airquality, #pollution, #environment, #science and ... #italians
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BreatheScotland Profile Image BreatheScotland
The cleaner air initiative by @EPScotland to encourage healthier air in our towns and cities. A @mention or RT is not an endorsement
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Smart Air Profile Image Smart Air
We're a social enterprise that promotes DIY air purifers as a low-cost solution to indoor particulate air pollution in China, India and wherever the air is bad.
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#TheHVACRShow Profile Image #TheHVACRShow
The HVACR Show is the ONLY national exhibition for the refrigeration, air conditioning, ventilation, heating and heat pump sectors.
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Denis Cuff Profile Image Denis Cuff
reporter covering environment, water, air pollution, parks and outdoors for the Bay Area News Group. Based in the East Bay @EastBayTimes @mercnews
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Isaac Heating & A/C Profile Image Isaac Heating & A/C
Providing heating, air conditioning, indoor air quality, energy assessments & Green solutions like Solar for your home & biz.
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Les   Respirations Profile Image Les Respirations
RÉVOLUTION DE L'#AIR POTABLE / 1st air conference @Airpublica1 #pollution #santé #education #health #innovation
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Emissions Analytics Profile Image Emissions Analytics
Delivering automotive insight using portable emissions measurement systems for cars, trucks and buses. Take a look at the EQUA index at
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Venta USA Profile Image Venta USA
The 2-in-1 System - It's a humidifier and an air purifier. Premium Quality. Made in Germany. We're all about #indoorairquality, #cleanair & our #VentaCommunity!
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Wisely Green Profile Image Wisely Green
Toxic Free, Natural, Green Living w/Certified Green Living expert & Editor, P.S. Orr (Blogger @ Natural News .com) #NaturalHealth #GreenLiving #HealthyHome #DIY
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MCAF Virginia Profile Image MCAF Virginia
We're a community of moms and dads uniting for clean air and our kids’ health in Virginia.
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Kaiterra India Profile Image Kaiterra India
Our goal: monitoring and mapping the world's air to create clean skies. Join us to fight #AirPollution
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Luxaire HVAC Profile Image Luxaire HVAC
The official Twitter account for Luxaire HVAC. Follow us to stay up to date with the latest news.
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Bill Hayward Profile Image Bill Hayward
CEO of @HaywardScore & @HaywardLumber, Chairman Emeritus @FSC_US, champion of #HealthyHomes & #IAQ -"Views expressed are my own." Retweets do not = endorsement.
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David Green Profile Image David Green
Particle bothering scientist studying pollution in the air you breathe at King's College London - what it's made of and where it comes from.
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Roisin Commane Profile Image Roisin Commane
Atmospheric scientist from #Ireland interested in #airquality and #climate especially #arcticcarbon
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AFPRO Filters Profile Image AFPRO Filters
Air Filter manufacturer of energy efficient air filters that protect you against air pollution like particulate matter according ISO 16890. Clean air. Our Care.
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Langley   Dewitt Profile Image Langley Dewitt
Air quality scientist with a global perspective (work in the US, France, and Rwanda). Now consulting with AECOM-Houston. tweets are my own.
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Svensk Ventilation Profile Image Svensk Ventilation
Svensk Ventilation är en branschorganisation vars medlemmar sysselsätter ca 10 000 medarbetare. Vår vision är: Ett energieffektivit och hälsosamt inomhusklimat
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Peter   Bagnall Profile Image Peter Bagnall
Air Quality Matters/Breathe Clean Air Group/ Campaigner
0.9 43


Cathryn Tonne Profile Image Cathryn Tonne
environmental epidemiologist thinking about cities, air pollution, NCDs, sustainability, inter alia.
0.5 43


Breathing Buildings Profile Image Breathing Buildings
Breathing Buildings is a unique low energy ventilation company. Home of the e-stack product range
0.1 43


Rabbit Air Profile Image Rabbit Air
We are a premium air purifier company, trying to inspire health and wellness one breath at a time!
2.1 43


Dr. Shazia Husain Profile Image Dr. Shazia Husain
Environmental Scientist/Consultant: Molecular (Abiotic-Stress) Plant Physiologist, Green Roofs and Green Walls, Air Quality, Drought and Salinity expert -
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EdinburghInstruments Profile Image EdinburghInstruments
Edinburgh Instruments Ltd is a global provider of #Spectrometers #Lasers #Gas #Sensors and Indoor #Air Quality Monitors. Thanks for following us.
1.6 43


Francesco Pilla Profile Image Francesco Pilla
We cannot solve our problems with the same thinking we used when we created them. video:
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Jackson Systems, LLC Profile Image Jackson Systems, LLC
Award-winning, innovative HVAC controls, direct-to-contractor. Like us on Facebook, too!
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PacificGreen Profile Image PacificGreen
Environmental technology group dedicated to cleaning up air pollution. On ships, in China and around the world #airpollution #airquality #emissions
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ReginaRyerson Profile Image ReginaRyerson
Least-toxic cleaning, exclusively for least-toxic homes. Thriving at 60ish on whole foods, interval training, weight training, meditating, green tea.
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Zack Semke Profile Image Zack Semke
Buildings can be part of the climate solution. CMO, NK Architects. Read the case for #BuildingAsClimateAction here:
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Josh Apte Profile Image Josh Apte
Environmental engineer and air quality scientist. Assistant Professor in @UT_CAEE Department, University of Texas at Austin. Views my own.
1.8 43


NBC TAB Profile Image NBC TAB
Testing, Adjusting & Balancing / Commercial System Performance - Training and Certification. Re-tweets are not endorsements.
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UHoo Profile Image UHoo
Most advanced air sensor. See what you breathe in, predict when it is not safe and prevent yourself from getting asthma and allergies #uHoo
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Dr Iain McLellan Profile Image Dr Iain McLellan
Environmental Chemistry Lecturer at UWS within @CER_UWS. Placement Officer for Chemistry & Forensic Science. Trustee for @EPScotland. My tweets, my opinion.
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Douglas Booker Profile Image Douglas Booker
Environmental entrepreneur making #airpollution visible: Founder & CEO @NAQTS. PhD researching indoor air quality & environmental justice @LancsUniLEC.
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IAQM Profile Image IAQM
The Institute of Air Quality Management is a professional body for those working in the #airquality sector.
2.0 43


I Like Clean Air Profile Image I Like Clean Air
Kids and parents in London fighting air pollution.
-0.3 42


Indoor Air Quality Profile Image Indoor Air Quality
Providing best-of-knowledge information on the design and operations of buildings as they affect indoor air quality. #IAQ
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The UK's market leading F gas company certification scheme. Apply or renew online. Also offering Refcom Elite, a best practice voluntary scheme.
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