| United States |
| 61 | : Reno County, Kansas, USA | | Citizen Science project sensor.community 58460 |
| 58 | | | Northside Fort Worth Air 85594 |
| 2 | 148th Place SE: 148th Place SE, Renton, King County, Washington, 98059, USA | | Citizen Science project sensor.community 97516 |
| 20 | | | Northside Fort Worth Air 180861 |
| 17 | | | Northside Fort Worth Air 160773 |
| 46 | | | Ciencia ciudadana por la Calidad del Aire 50db59 |
| 8 | | | Ciencia ciudadana por la Calidad del Aire 27a3fd |
| 109 | Albany Park (DUESD): Albany Park School, Clark Street, Delano, Kern County, California, 93215, USA | | SJVAir.com 167379 |
| 153 | | | SEEN 73066 |
| 101 | | | SEEN 73885 |
| 0 | | | Gaia realtime air quality monitoring network 866 |
| 32 | | | Gaia realtime air quality monitoring network 206 |
| 14 | | | Washington State Department of Ecology 53 033 0047 |
| 114 | | | SJVAir.com 71944 |
| 4 | Beechtree Lane: Beechtree Lane, Middletown, Frederick County, Maryland, 21769, USA | | Citizen Science project sensor.community 65012 |
| 0 | Breckenridge: Breckenridge, Core City, Detroit, Wayne County, Michigan, 48208, USA | | AirNet - aiqcn.org - waqi.info 100360 |
| 24 | Brewster: South 3rd Avenue, Brewster, Okanogan County, Washington, 98812, USA | | Washington State Department of Ecology 53 047 9990 |
| 26 | Briar Ridge Drive: Briar Ridge Drive, Castro Valley, Alameda County, California, 94552, USA | | Gaia realtime air quality monitoring network 670 |
| 51 | Burbank-Maple St: West Maple Street, Burbank, Walla Walla County, Washington, 99323, USA | | Washington State Department of Ecology 53 071 0006 |
| 36 | Cashmere: Foster Street, Cashmere, Chelan County, Washington, 98815, USA | | Washington State Department of Ecology aqs396 |
| 14 | Cathlamet: Cathlamet, Wahkiakum County, Washington, 98612, USA | | Washington State Department of Ecology 53 069 9990 |
| 95 | Cecil Ave (DUESD): Cecil Avenue Junior High School, 13th Avenue, Delano, Kern County, California, 93215, USA | | SJVAir.com 167404 |
| 117 | | | SJVAir.com 156617 |
| 12 | 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 |
| 4 | Corry Street: Corry Street, Schenk-Atwood-Starkweather-Yahara, Madison, Dane County, Wisconsin, 53704, USA | | Citizen Science project sensor.community 88102 |
| 1 | Crescent St: Crescent St, Denton, Denton County, Texas, 76201, USA | | Citizen Science project sensor.community 17739 |
| 0 | Cress Parkway: Cress Parkway, Hiawatha, Linn County, Iowa, 52233, USA | | Citizen Science project sensor.community 93254 |
| 117 | | | Gaia realtime air quality monitoring network 945 |
| 25 | 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 |
| 36 | Davenport: Logan Street, Davenport, Lincoln County, Washington, 99122, USA | | Washington State Department of Ecology 53 043 9990 |
| 91 | | | SJVAir.com 167372 |
| 10 | 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 |
| 17 | Dolorosa: Dolorosa, Market Square District, San Antonio, Bexar County, Texas, 78204, USA | | Citizen Science project sensor.community 77515 |
| 8 | Dominion Drive: Dominion Drive, East Side, Madison, Dane County, Wisconsin, 53718, USA | | Citizen Science project sensor.community 78368 |
| 79 | | | SEEN 73009 |
| 0 | Downtownish Lynchburg: Monument Terrace, Church Street, Court House Hill, Lynchburg, Virginia, 24504, USA | | Gaia realtime air quality monitoring network 743 |
| 0 | | | Citizen Science project sensor.community 83626 |
| 24 | | | Washington State Department of Ecology 53 007 9989 |
| 0 | | | Gaia realtime air quality monitoring network 751 |
| 37 | Ellensburg-Discovery Hall: Central Washington University, 400, East University Way, Ellensburg, Kittitas County, Washington, 98926, USA | | Washington State Department of Ecology 53 037 9999 |
| 49 | | | Washington State Department of Ecology 53 037 9998 |
| 51 | | | Washington State Department of Ecology 53 037 9997 |
| 32 | Emperor Norden: 38th Avenue, Outer Sunset, San Francisco, San Francisco County, California, 94121, USA | | Gaia realtime air quality monitoring network 1081 |
| 22 | Entiat: Kinzel Street, Entiat, Chelan County, Washington, 98822, USA | | Washington State Department of Ecology 53 007 9992 |
| 0 | Enumclaw-Mud Mtn.: Mud Mountain Road Southeast, Enumclaw, King County, Washington, 98022, USA | | Washington State Department of Ecology 53 033 0023 |
| 73 | | | Citizen Science project sensor.community 49528 |
| 8 | Everett-12th St: 12th Street, Everett, Snohomish County, Washington, 98201, USA | | Washington State Department of Ecology aqs492 |
| 13 | | | Washington State Department of Ecology 53 061 0022 |
| 10 | | | Washington State Department of Ecology aqs466 |
| 84 | | | SEEN 87442 |
| 95 | | | SEEN 87131 |
| 1 | Fairmont Ave: Fairmont Ave, Downers Grove Township, DuPage County, Illinois, 60516, USA | | Citizen Science project sensor.community 45990 |
| 20 | | | Washington State Department of Ecology aqs497 |
| 51 | | | Washington State Department of Ecology 53 005 9999 |
| 13 | | | Washington State Department of Ecology aqs469 |
| 104 | Fremont (DUESD): Fremont Elementary School, Dover Place, Delano, Kern County, California, 93215, USA | | SJVAir.com 167377 |
| 141 | Fresno-Garland: North First Street, Fresno, Fresno County, California, 93726, USA | | SJVAir.com 167393 |
| 53 | George: Washington Way North, Quincy, Grant County, Washington, 98824, USA | | Washington State Department of Ecology 53 025 9990 |
| 39 | | | Washington State Department of Ecology 53 039 9991 |
| 17 | HATCH Workshop: S Union Street, Stockton, San Joaquin County, California, 95205, USA | | HATCH Workshop 156003 |
| 17 | Hanes: Meadowbridge Drive, Lutz, Hillsborough County, Florida, 33549, USA | | Gaia realtime air quality monitoring network 967 |
| 97 | | | SJVAir.com 167380 |
| 172 | Hawkins Road: Hawkins Road, Winlock, Lewis County, Washington, 98596, USA | | Citizen Science project sensor.community 81998 |
| 15 | | | Wisconsin Department Of Natural Resources 55 053 2002 |
| 17 | | | Wisconsin Department Of Natural Resources 55 081 2001 |
| 2 | | | AirNet - aiqcn.org - waqi.info 100146 |
| 13 | Hunts Point Road: Hunts Point Road, Bellevue, King County, Washington, 98004, USA | | Mike Koss 78140 |
| 15 | Ilwaco: Brumbach Street, Ilwaco, Pacific County, Washington, 98624, USA | | Washington State Department of Ecology aqs501 |
| 4 | | | Washington State Department of Ecology 53 033 0010 |
| 0 | Joslyn Court: Joslyn Court, Parkside, Boulder, Boulder County, Colorado, 80304, USA | | Gaia realtime air quality monitoring network 800 |
| 26 | Kelso: Old Pacific Highway South, Kelso, Cowlitz County, Washington, 98626, USA | | Washington State Department of Ecology aqs494 |
| 51 | | | Washington State Department of Ecology 53 005 0003 |
| 94 | La Vina School: La Vina School, Road 23, La Vina, Madera County, California, 93637, USA | | SJVAir.com 167388 |
| 16 | | | Wisconsin Department Of Natural Resources 55 073 0012 |
| 114 | | | SJVAir.com 70027 |
| 89 | | | SJVAir.com 67117 |
| 8 | Lydia Drive: Lydia Drive, Maumelle, Pulaski County, Arkansas, 72113, USA | | Citizen Science project sensor.community 37709 |
| 6 | 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 |
| 74 | Main Street: Main Street, Klamath Falls, Klamath County, Oregon, 97601, USA | | Gaia realtime air quality monitoring network 652 |