| United States |
| 71 | | | Northside Fort Worth Air 160773 |
| 25 | | | Ciencia ciudadana por la Calidad del Aire 50db59 |
| 13 | | | Ciencia ciudadana por la Calidad del Aire 27a3fd |
| 153 | Albany Park (DUESD): Albany Park School, Clark Street, Delano, Kern County, California, 93215, USA | | SJVAir.com 167379 |
| 85 | | | SEEN 73066 |
| 151 | | | SEEN 73885 |
| 10 | | | Gaia realtime air quality monitoring network 866 |
| 5 | Auburn St: Auburn St, Concord, Merrimack County, New Hampshire, 03301, USA | | Citizen Science project sensor.community 28750 |
| 135 | | | SJVAir.com 71944 |
| 108 | | | SJVAir.com 79326 |
| 0 | Breckenridge: Breckenridge, Core City, Detroit, Wayne County, Michigan, 48208, USA | | AirNet - aiqcn.org - waqi.info 100360 |
| 82 | Briar Ridge Drive: Briar Ridge Drive, Castro Valley, Alameda County, California, 94552, USA | | Gaia realtime air quality monitoring network 670 |
| 152 | Cecil Ave (DUESD): Cecil Avenue Junior High School, 13th Avenue, Delano, Kern County, California, 93215, USA | | SJVAir.com 167404 |
| 157 | | | SJVAir.com 156617 |
| 1 | Chiswell Road: Chiswell Road, Grafton, Worcester County, Massachusetts, 01536, USA | | Citizen Science project sensor.community 87877 |
| 4 | Corry Street: Corry Street, Schenk-Atwood-Starkweather-Yahara, Madison, Dane County, Wisconsin, 53704, USA | | Citizen Science project sensor.community 88102 |
| 25 | Cress Parkway: Cress Parkway, Hiawatha, Linn County, Iowa, 52233, USA | | Citizen Science project sensor.community 93254 |
| 3 | Daleridge: Baptiste Way, La Canada Flintridge, Los Angeles County, California, 91011, USA | | Twoº & Rising 152046 |
| 152 | | | SJVAir.com 167372 |
| 226 | | | SEEN 73009 |
| 38 | | | Walter Gregg 80519 |
| 2 | Downtownish Lynchburg: Monument Terrace, Church Street, Court House Hill, Lynchburg, Virginia, 24504, USA | | Gaia realtime air quality monitoring network 743 |
| 140 | | | SEEN 87442 |
| 139 | | | SEEN 87131 |
| 151 | HATCH Workshop: S Union Street, Stockton, San Joaquin County, California, 95205, USA | | HATCH Workshop 156003 |
| 60 | Hamilton Ave: Hamilton Ave, Mountain View, Santa Clara County, California, 94043, USA | | Citizen Science project sensor.community 19975 |
| 117 | La Vina School: La Vina School, Road 23, La Vina, Madera County, California, 93637, USA | | SJVAir.com 167388 |
| 153 | | | SJVAir.com 70027 |
| 154 | | | SJVAir.com 67117 |
| 84 | Magazine Beach Park: 1899 Olmstead Stone Bathhouse, Dr. Paul Dudley White Path, Riverside, Cambridgeport, Cambridge, Middlesex County, Massachusetts, 02139, USA | | Gaia realtime air quality monitoring network 383 |
| 90 | Main Street: Main Street, Klamath Falls, Klamath County, Oregon, 97601, USA | | Gaia realtime air quality monitoring network 652 |
| 57 | | | Gaia realtime air quality monitoring network 263 |
| 36 | NWCAA - BPS 1: Pacific Street, Bellingham, Whatcom County, Washington, 98229, USA | | Northwest Clean Air Agency 58248 |
| 157 | Nueva Vista (DUESD): Valle Vista School, Belmont Street, Delano, Kern County, California, 93215, USA | | SJVAir.com 167400 |
| 66 | Pickfair Ln: Pickfair Ln, Livermore, Alameda County, California, 94551, USA | | Citizen Science project sensor.community 50313 |
| 120 | Pioneer (DUESD): Camino Real Drive, Delano, Kern County, California, 93215, USA | | SJVAir.com 167385 |
| 157 | | | SJVAir.com 167381 |
| 151 | | | SJVAir.com 79319 |
| 158 | SJVAir-7740: North Millbrook Avenue, Fresno, Fresno County, California, 93710, USA | | SJVAir.com 167378 |
| 159 | SJVAir-af04: Celeste Avenue, Clovis, Fresno County, California, 93611, USA | | SJVAir.com 167399 |
| 93 | San Jose: Redbush Terrace, Cory, San Jose, Santa Clara County, California, 95128, USA | | Gregable 170637 |
| 4 | Spring Street: Spring Street, Mohawk, Herkimer County, New York, 13407, USA | | Citizen Science project sensor.community 77481 |
| 156 | | | SJVAir.com 167387 |
| 1 | | | Gaia realtime air quality monitoring network 638 |
| 16 | : Reno County, Kansas, USA | | Citizen Science project sensor.community 58460 |
| 89 | | | Northside Fort Worth Air 85594 |
| 21 | 148th Place SE: 148th Place SE, Renton, King County, Washington, 98059, USA | | Citizen Science project sensor.community 97516 |
| 53 | 19th Street: 19th Street, Windsor Terrace, Brooklyn, New York, Kings County, New York, 11218, USA | | Citizen Science project sensor.community 96399 |
| 9 | | | Citizen Science project sensor.community 19621 |
| 40 | | | Washington State Department of Ecology 53 033 0047 |
| 4 | Bay Parkway: Saint Athanasius School, Bay Parkway, New Utrecht, Brooklyn, Kings County, New York, New York, 11204, USA | | Citizen Science project sensor.community 96401 |
| 25 | Beechtree Lane: Beechtree Lane, Middletown, Frederick County, Maryland, 21769, USA | | Citizen Science project sensor.community 65012 |
| 31 | Brewster: South 3rd Avenue, Brewster, Okanogan County, Washington, 98812, USA | | Washington State Department of Ecology 53 047 9990 |
| 4 | Brink Rd: Brink Rd, Germantown, Montgomery County, Maryland, 20882, USA | | Citizen Science project sensor.community 48249 |
| 41 | Burbank-Maple St: West Maple Street, Burbank, Walla Walla County, Washington, 99323, USA | | Washington State Department of Ecology 53 071 0006 |
| 29 | Cashmere: Foster Street, Cashmere, Chelan County, Washington, 98815, USA | | Washington State Department of Ecology aqs396 |
| 24 | Cathlamet: Cathlamet, Wahkiakum County, Washington, 98612, USA | | Washington State Department of Ecology 53 069 9990 |
| 52 | Cle Elum: Cle Elum, Kittitas County, Washington, 98922, USA | | Washington State Department of Ecology 53 037 0180 |
| 0 | Columbia Street: Columbia Street, Columbia Street Waterfront, Brooklyn, New York, Kings County, New York, 11231, USA | | Gaia realtime air quality monitoring network 903 |
| 0 | Columbus, Ohio: Maize Road, North Linden, Columbus, Franklin County, Ohio, 43224, USA | | Public Parapsychology 173186 |
| 0 | Crescent St: Crescent St, Denton, Denton County, Texas, 76201, USA | | Citizen Science project sensor.community 17739 |
| 15 | | | Gaia realtime air quality monitoring network 945 |
| 13 | DA GOAT: Northridge Road, Porter Ranch, Los Angeles City Council District 12, Los Angeles, Los Angeles County, California, 91311, USA | | Ambient Weather Network ws5001-01 |
| 21 | Darby Road: Darby Road, Anchorage, Anchorage, Alaska, 99577, USA | | Citizen Science project sensor.community 60266 |
| 21 | Davenport: Logan Street, Davenport, Lincoln County, Washington, 99122, USA | | Washington State Department of Ecology 53 043 9990 |
| 22 | Des Moines-S 240th St: Bldg 8 Student Union, 2400, South 240th Street, Des Moines, King County, Washington, 98198, USA | | Washington State Department of Ecology aqs468 |
| 29 | Dolorosa: Dolorosa, Market Square District, San Antonio, Bexar County, Texas, 78204, USA | | Citizen Science project sensor.community 77515 |
| 26 | Dominion Drive: Dominion Drive, East Side, Madison, Dane County, Wisconsin, 53718, USA | | Citizen Science project sensor.community 78368 |
| 0 | | | Citizen Science project sensor.community 83626 |
| 20 | | | Washington State Department of Ecology 53 007 9989 |
| 0 | | | Gaia realtime air quality monitoring network 751 |
| 15 | Ellensburg-Discovery Hall: Central Washington University, 400, East University Way, Ellensburg, Kittitas County, Washington, 98926, USA | | Washington State Department of Ecology 53 037 9999 |
| 28 | | | Washington State Department of Ecology 53 037 9998 |
| 33 | | | Washington State Department of Ecology 53 037 9997 |
| 18 | Entiat: Kinzel Street, Entiat, Chelan County, Washington, 98822, USA | | Washington State Department of Ecology 53 007 9992 |
| 11 | Enumclaw-Mud Mtn.: Mud Mountain Road Southeast, Enumclaw, King County, Washington, 98022, USA | | Washington State Department of Ecology 53 033 0023 |
| 88 | | | Citizen Science project sensor.community 49528 |
| 18 | Everett-12th St: 12th Street, Everett, Snohomish County, Washington, 98201, USA | | Washington State Department of Ecology aqs492 |
| 26 | | | Washington State Department of Ecology 53 061 0022 |
| 13 | | | Washington State Department of Ecology aqs466 |