Dubai Municipality- Environment Department - Environmental Planning And Studies Section 8 stations - National Agency For Meteorology And Environmental Monitoring (Цаг уур орчны шинжилгээний газар ) 21 stations Abuja SERLCAR Space Environment Research Laboratory, Center for Atmospheric Research, Abuja1 stations 🇦🇪AED - Environment Agency – Abu Dhabi ( هيئة البيئة - أبو ظبي) 55 stations 🇲🇪Agencija Za Zaštitu Prirode I životne Sredine - Montenegro Environement Protection Agency 8 stations 🇬🇧Air Quality In Wales 33 stations 🇨🇦Air Quality Ontario - The Ontario Ministry Of The Environment And Climate Change 38 stations 🇩🇪Air Quality, Saxon State Office (Luftqualität Sächsisches Landesamt Für Umwelt, Landwirtschaft Und Geologie) 50 stations 🇫🇷Airbreizh - Qualité De L'air En Bretagne 13 stations 🇧🇴 🇨🇱 🇲🇽 🇪🇨 🇵🇪 🇺🇸 🇲🇽 🇦🇷Aire Ciudadano Ciencia ciudadana por la Calidad del Aire395 stations 🇹🇭AirGradient Co. Ltd. 1154 stations 🇰🇿AirKaz.org 249 stations 🇫🇷AirParif - Association De Surveillance De La Qualité De L'air En Île-de-France 37 stations 🇺🇬 🇨🇲 🇪🇹 🇬🇭 🇰🇪 🇳🇬 🇸🇬AirQo Clean air for all African cities595 stations Alaska DEC- Division Of Air Quality Information, Alaska Department Of Enviromental Protection 54 stations 🇬🇹Ambente 4 stations 🇱🇹Aplinkos Monitoringas Vilniaus 20 stations 🇺🇸AQMD NASA 68 stations AQSEA Air Quality Monitoring Capacity in Southeast Asia84 stations 🇫🇷ASPA Alsace : Pollution Atmosphérique, Surveillance De La Qualité De L’air 50 stations 🇫🇷AtmoNAQ - La Qualité De L’air En Nouvelle Aquitaine 42 stations 🇦🇺Australian National University (ANU) 35 stations 🇲🇽Ayuntamiento De Mexicali 95 stations 🇮🇩Balai Besar Standardisasi Dan Pelayanan Jasa Pencegahan Pencemaran Industri (BBSPJPPI) 4152 stations 🇮🇩Bandung Institute Of Technology (ITB) 1 stations 🇧🇩Bangladesh University Of Engineering And Technology 9 stations 🇩🇪Bayern State Office For The Environment (Bayerisches Staatsministerium Für Umwelt Und Verbraucherschutz) - LfU 46 stations 🇩🇪Berlin Air Quality - (Luftqualität In Berlin) 14 stations 🇺🇸California EDCAQMD El Dorado County Air Quality Management District65 stations 🇺🇸California FRAQMD The Feather River AQMD1 stations 🇺🇸California RIVR Riverside County Air Quality Management District16 stations 🇺🇸California SBCAPCD Santa Barbara County Air Pollution Control District53 stations 🇺🇸California SCSB Sonoma Coast State Beach40 stations 🇨🇴 🇪🇸Canair.io Citizen network for monitoring air quality29 stations 🇺🇸CCA California Coalition for Clean Air219 stations 🇺🇸CCA Colorado Citizens for Clean Air68 stations CCA Coloradodo Citizens for Cln Air1 stations 🇺🇸CCST Crow Creek Sioux Tribe10 stations 🇲🇳Central Laboratory Of Environment And Metrology (CLEM) 9 stations 🇲🇬Centre National De Recherches Sur L'Environnement 8 stations 🇺🇸City Of Minneapolis Community Air Monitoring Project 97 stations Clarity Clarity Movement Co.1934 stations 🇺🇸Clean Air Carolina 100 stations Clean Air Nottingham 13 stations 🇺🇸Clean Air Now Kansas (CANK) 32 stations 🇺🇸CleanAIRE NC 94 stations 🇹🇭Cmu Ccdc 3108 stations 🇺🇸College Of Food, Agricultural And Natural Resource Sciences 1 stations 🇺🇸Colorado APCD Colorado Air Pollution Control Division55 stations Colorado Department Of Environmental Protection 45 stations 🇨🇦Columbia Shuswap Regional District Air Monitoring Project 33 stations 🇪🇸Consejería De Educación, Universidades Y Sostenibilidad - Gobierno De Canarias 49 stations 🇮🇪Cork City Council CCC Cork City Council Air Monitoring Project47 stations 🇭🇷Croatian Environment Agency - Agencija Za Zaštitu Okoliša 57 stations 🇦🇺CSIRO Commonwealth Scientific and Industrial Research Organisation26 stations Czech Hydrometeorological Institute (Český Hydrometeorologický ústav) 188 stations 🇦🇩Departament De Medi Ambient D'Andorra - Qualitat De L'Aire A Andorra 4 stations 🇪🇸Departamento De Medio Ambiente, Planificación Territorial Y Vivienda · Gobierno Vasco 62 stations 🇳🇬EdoState Edo State Nigeria3 stations 🇺🇸EJCAN Environmental Justice Community Action Network22 stations 🇨🇭EPFL-LAPI Laboratory of atmospheric processes and their impacts7 stations Federalni Hidrometeorološki Zavod 24 stations 🇱🇰Foundation For Environment, Climate And Technology (FECT) 11 stations 🇺🇸FRESSCA Filtration for Respiratory Exposure to wildfire Smoke from Swamp Cooler Air44 stations Galapagos UNC/USFQ Galapagos Science Center0 stations 🇵🇪GeoHealthPeru Regional GEOHealth Hub in Peru144 stations Ghana AQ The Ghana Urban Air Quality Project (GHAir)13 stations 🇫🇷GWAD'AIR, L’Association Agréée De Surveillance De La Qualité De L'Air En Guadeloupe 6 stations HabitatMap 1223 stations 🇺🇸Hawaii State Department Of Health 2 stations Hong Kong Environmental Protection Department - 空氣質素健康指數單張及海報 18 stations 🇺🇸Houston AAH Air Alliance Houston90 stations 🇭🇺Hungarian Air Quality Network (Maďarský Systém Na Meranie Znečistenia Vzduchu) 62 stations IFRO Karolinska Institutet3 stations 🇫🇮Ilmanlaatu - Air Quality In Finland 79 stations 🇯🇪Information And Public Services For The Island Of Jersey (L'înformâtion Et Les Sèrvices Publyis Pouor I'Île Dé Jèrri) 2 stations 🇦🇴Instituto Superior Politécnico Tundavala 8 stations 🇧🇪IRCEL-CELINE - Belgian Interregional Environment Agency 85 stations 🇮🇪Ireland Environmental Protection Agency (EPA) 102 stations Japan Atmospheric Environmental Regional Observation System (環境省大気汚染物質広域監視システム) 118 stations Japan Atmospheric Environmental Regional Observation System (環境省大気汚染物質広域監視システム) 37 stations Japan Atmospheric Environmental Regional Observation System (環境省大気汚染物質広域監視システム) 86 stations 🇦🇷Jujuy Municipio de San Salvador de Jujuy0 stations 🇮🇩Kementerian Lingkungan Hidup Dan Kehutanan 88 stations 🇺🇦Kievoblast Ecology 13 stations 🇫🇷L'observatoire De La Qualité De L'air En Région Sud Provence-Alpes-Côte D'Azur 56 stations 🇬🇹Laboratorio ECOQUIMSA Guatemala 11 stations 🇭🇳Laboratorio ECOQUIMSA Honduras 1 stations Lamont-Doherty Earth Observatory 4 stations 🇩🇪Landesamt Für Umwelt, Naturschutz Und Geologie - LUNG 17 stations 🇩🇪Landesamt Für Umwelt- Und Arbeitsschutz 9 stations 🇩🇪Landesamt Für Umweltschutz Sachsen-Anhalt 25 stations 🇩🇪LANUV - State Agency For Nature, Environment And Consumer Protection Of North Rhine Westphalia (Landesamt Für Natur, Umwelt Und Verbraucherschutz NRW) 61 stations 🇬🇷LAPUP Laboratory of Atmospheric Physics of the University of Patras8 stations 🇸🇳LASOMED Université Gaston Berger1 stations 🇸🇳LPAOSF Laboratoire de Recherche dans le domaine du Climat, de l'Atmosphére et de l'Océanographie2 stations 🇩🇪Luftqualität In Schleswig-Holstein 15 stations 🇩🇪Luftqualität | Nds. Ministerium Für Umwelt, Energie Und Klimaschutz 28 stations 🇩🇪Luftreinhaltung Rheinland-Pfalz 25 stations 🇺🇦LUN City Air (ЛУН Місто Air) 199 stations 🇫🇷Madininair La Qualité De L’air En Martinique 6 stations 🇺🇸Massachusetts MASSDEP Massachusetts Department of Environmental Protection78 stations 🇪🇸Medi Ambient. Generalitat De Catalunya 62 stations Meteo Lausanne 1 stations 🇲🇬Meteo Madagascar 9 stations 🇺🇸Methow Valley Citizens Council 30 stations 🇵🇦MiAmbiente Ministerio de Ambiente de Panamá5 stations Michigan Department Of Environmental Quality 40 stations 🇺🇸Mid-Ohio MORPC Mid-Ohio Regional Planning Commission107 stations Ministry Of Environment And Physical Planning – Republic Of North Macedonia 22 stations Moenv.mv Ministry of Climate Change, Environment and Energy, Maldives1 stations 🇺🇸MPCA Minnesota Pollution Control Agency22 stations MSC / UNBC AQMap 867 stations 🇺🇸Multnomah MULTCO Multnomah County Climate and Health16 stations NASA CSESP / RTI 207 stations 🇵🇪National University Of San Agustin Of Arequipa 0 stations 🇸🇪Natur Vårdsverket - Swedish Environmental Protection Agency 63 stations 🇺🇸NCC New Castle County Air Quality5 stations 🇫🇷NebuleAir 128 stations 🇳🇵Nepal Health Research Council 7 stations 🇺🇸Nevada NDEP Nevada Division of Environmental Protection109 stations 🇦🇺NSW Department Of Planning And Environment 122 stations 🇫🇷Observatoire Agréé Pour Assurer La Surveillance De La Qualité De L’air Sur Le Territoire De La Région Occitanie 38 stations 🇫🇷Observatoire De La Qualité De L'air En Auvergne-Rhône-Alpes 76 stations 🇫🇷Observatoire De La Qualité De L'Air à Mayotte - Association Agréée Pour La Surveillance De La Qualité De L'Air De Mayotte 4 stations 🇴🇲Oman Environment Authority 24 stations 🇨🇦Ontario MECP Ontario Ministry of the Environment, Conservation and Parks27 stations Open Sense 399 stations 🇫🇷ORA - L'Observatoire Réunionnais De L’Air 15 stations 🇫🇷ORA Guyane - Observatoire Régional De L'Air De Guyane 4 stations 🇺🇸Oregon CTUIR Confederated Tribes of the Umatilla Indian Reservation34 stations Oregon Department Of Environmental Quality (DEQ) 78 stations Osc.lk The Overseas School of Colombo4 stations 🇬🇭Oxygen City Environmental Protection Agency in Ghana2 stations 🇮🇳Paljor Naygyal Girls School 1 stations 🇬🇷PANACEA PANhellenic infrastructure for Atmospheric Composition and climatE chAnge112 stations 🇵🇪PCUP Pontificia Universidad Católica del Perú5 stations 🇺🇸Physicians For Social Responsibility Pennsylvania 85 stations 🇱🇺Portail De L'Environnement Du Grand-duché De Luxembourg 5 stations 🇧🇷Projeto EDUC.AIR Programa de Educação em Qualidade do Ar26 stations Purple Air 63449 stations 🇫🇷Qualitair Région Corse - Surveillance De La Qualité De L'air En Corse 7 stations 🇨🇦Québec CEAEQ Centre d'expertise en analyse environnementale du Québec84 stations 🇮🇳Respirer Living Sciences 34 stations RIVM - Rijksinstituut Voor Volksgezondheid En Milieum, Landelijk Meetnet Luchtkwaliteit 111 stations SAMOSA Sensor-based Air measurement Observatory for South Asia337 stations 🇹🇭Sansiri 58 stations 🇺🇦Save Dnipro 1770 stations 🇧🇷SEMA_AM Secretaria de Estado de Meio Ambiente54 stations 🇵🇪SENAMHI Servicio Nacional de Meteorología e Hidrología del Perú4 stations 🇩🇪 🇫🇷 🇪🇸 🇳🇱 🇩🇰 🇧🇪 🇫🇮 🇬🇷 🇦🇺 🇮🇹 🇵🇱 🇻🇳Sensor Community formerly luftdaten.info32732 stations 🇸🇷SEPA - Serbian National Air Monitoring Network (Državna Mreža Za Automatski Monitoring Kvaliteta Vazduha) 77 stations 🇸🇨Seychelles Air Monitoring 12 stations 🇬🇩SGU-GND St. George’s University13 stations 🇲🇽SINAICA - Sistema Nacional De Información De La Calidad Del Aire En Mexico 177 stations 🇨🇱Sistema Nacional De Calidad Del Aire En Chile 131 stations 🇸🇰Slovak Hydrometeorological Institute (Slovenský Hydrometeorologický ústav) 64 stations 🇸🇮Slovenian Environment Agency (Agencija RS Za Okolje) 25 stations 🇿🇦South African Air Quality Information System - SAAQIS 187 stations Texas Commission On Environmental Quality (TCEQ) 135 stations 🇺🇸Texas UNT-GEO University of North Texas, Department of Geography and the Environment99 stations 🇩🇰The Department Of Environmental Science At Aarhus University - Institut For Miljøvidenskab 5 stations 🇮🇸The Environment Agency Of Iceland 19 stations 🇬🇱The School In Qaanaaq 1 stations 🇩🇪Thüringer Landesamt Für Umwelt, Bergbau Und Naturschutz 20 stations Tokyo, Japan Environment Agency (東京都環境局) 89 stations U.S. Department Of State 61 stations 🇸🇳UASZ Université Assane Seck de Ziguinchor2 stations 🇨🇦UCM Environnement Québec11 stations 🇺🇸UCM University of California Merced339 stations 🇦🇹Umweltbundesamt 178 stations 🇩🇪Umweltbundesamt | Für Mensch Und Umwelt 7 stations 🇳🇬UNILAG AQMRG University of Lagos Air Quality Monitoring Research Group3 stations 🇨🇴Universidad De Los Llanos 1 stations 🇵🇪Universidad Nacional Intercultural Juan Santos Atahualpa 3 stations 🇵🇪Universidad Peruana Cayetano Heredia (UPCH) 4 stations 🇧🇴Universidad Privada Boliviana 2 stations 🇳🇦University Of Namibia 1 stations 🇲🇺UoM University of Mauritius1 stations 🇷🇴 🇮🇱URad Monitor 3570 stations 🇸🇳USSEIN Université du Sine Saloum El-hâdj ibrahima NIASS2 stations Utopia Fiber UTUTOPIA Fiber powered air quality monitoring program1 stations Utopia Fiber UTOPIA Fiber powered air quality monitoring program194 stations 🇻🇳Vietnam Center For Environmental Monitoring Portal (cổng Thông Tin Quan Trắc Môi Trường) 125 stations 🇺🇸Washington SCSB Northwest Clean Air Agency66 stations Washington State Department Of Ecology 120 stations 🇺🇸WE ACT For Environmental Justice West Harlem Environmental Action, Inc11 stations 🇦🇺Western Australia DWER Western Australia Department of Water and Environmental Regulation17 stations 🇿🇲Zambia CEEEZ Centre for Energy, Environment and Engineering1 stations 🇬🇷ΥΠΟΥΡΓΕΙΟ ΠΕΡΙΒΑΛΛΟΝΤΟΣ ΚΑΙ ΕΝΕΡΓΕΙΑΣ - Greek Ministry Of Environment And Energy 14 stations 🇹🇭ยักษ์ขาว Yakkaw (White Giant) 302 stations 🇺🇸საქართველოს გარემოს დაცვისა და სოფლის მეურნეობის სამინისტრო - Ministry Of Environment Protection And Agriculture Of Georgia 15 stations