| United States |
| 2 | : Reno County, Kansas, USA | | Citizen Science project sensor.community 58460 |
| 103 | | | Northside Fort Worth Air 85594 |
| 19 | 19th Street: 19th Street, Windsor Terrace, Brooklyn, New York, Kings County, New York, 11218, USA | | Citizen Science project sensor.community 96399 |
| 21 | 25 3/4 Road: 25 3/4 Road, Grand Junction, Mesa County, Colorado, 81505, USA | | uRad Monitor 8200025e |
| 88 | | | Northside Fort Worth Air 160773 |
| 8 | | | Ciencia ciudadana por la Calidad del Aire 50db59 |
| 65 | | | Ciencia ciudadana por la Calidad del Aire 27a3fd |
| 88 | Albany Park (DUESD): Albany Park School, Clark Street, Delano, Kern County, California, 93215, USA | | SJVAir.com 167379 |
| 53 | | | SEEN 73066 |
| 85 | | | SEEN 73885 |
| 55 | | | Gaia realtime air quality monitoring network 866 |
| 33 | | | Citizen Science project sensor.community 19621 |
| 80 | | | Gaia realtime air quality monitoring network 206 |
| 6 | Auburn St: Auburn St, Concord, Merrimack County, New Hampshire, 03301, USA | | Citizen Science project sensor.community 28750 |
| 57 | | | SJVAir.com 71944 |
| 1 | Bay Parkway: Saint Athanasius School, Bay Parkway, New Utrecht, Brooklyn, Kings County, New York, New York, 11204, USA | | Citizen Science project sensor.community 96401 |
| 114 | Beechtree Lane: Beechtree Lane, Middletown, Frederick County, Maryland, 21769, USA | | Citizen Science project sensor.community 65012 |
| 42 | Belvidere: SW Olga Street, North Admiral, Seattle, King County, Washington, 98126, USA | | World Air Quality Index data feed | waqi seattle-01 |
| 79 | Big Pine: North Main Street, Big Pine, Inyo County, California, 93513, USA | | World Air Quality Index data feed | waqi bigpine-01 |
| 0 | Breckenridge: Breckenridge, Core City, Detroit, Wayne County, Michigan, 48208, USA | | AirNet - aiqcn.org - waqi.info 100360 |
| 50 | Briar Ridge Drive: Briar Ridge Drive, Castro Valley, Alameda County, California, 94552, USA | | Gaia realtime air quality monitoring network 670 |
| 59 | Brink Rd: Brink Rd, Germantown, Montgomery County, Maryland, 20882, USA | | Citizen Science project sensor.community 48249 |
| 69 | Brushy Creek Massai: Brushy Creek Road, Oak Brook, Cedar Park, Williamson County, Texas, 78613, USA | | AirNet - aiqcn.org - waqi.info 100275 |
| 89 | Bulverde Hills: Sierra Vista Drive, Bulverde, Comal County, Texas, 78163, USA | | Weather Link 738519 |
| 17 | Canyon: Agriculture and Science Building, Canyon, Randall County, Texas, 79015, USA | | uRad Monitor 820000a6 |
| 96 | Cecil Ave (DUESD): Cecil Avenue Junior High School, 13th Avenue, Delano, Kern County, California, 93215, USA | | SJVAir.com 167404 |
| 101 | | | SJVAir.com 156617 |
| 46 | Center St: Center St, Castro Valley, Alameda County, California, 94546, USA | | Citizen Science project sensor.community 51052 |
| 25 | Cherry Ln: Cherry Ln, Contra Costa Centre, Contra Costa County, California, 94597, USA | | uRad Monitor 14000005 |
| 10 | Chiswell Road: Chiswell Road, Grafton, Worcester County, Massachusetts, 01536, USA | | Citizen Science project sensor.community 87877 |
| 73 | Columbia Street: Columbia Street, Columbia Street Waterfront, Brooklyn, New York, Kings County, New York, 11231, USA | | Gaia realtime air quality monitoring network 903 |
| 1 | Columbus, Ohio: Maize Road, North Linden, Columbus, Franklin County, Ohio, 43224, USA | | Public Parapsychology 173186 |
| 0 | | | Citizen Science project sensor.community 95841 |
| 5 | Corry Street: Corry Street, Schenk-Atwood-Starkweather-Yahara, Madison, Dane County, Wisconsin, 53704, USA | | Citizen Science project sensor.community 79001 |
| 6 | 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 |
| 91 | | | Gaia realtime air quality monitoring network 945 |
| 52 | 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 |
| 138 | Daleridge: Baptiste Way, La Canada Flintridge, Los Angeles County, California, 91011, USA | | Twoº & Rising 152046 |
| 4 | Darby Road: Darby Road, Anchorage, Anchorage, Alaska, 99577, USA | | Citizen Science project sensor.community 60266 |
| 86 | | | SJVAir.com 167372 |
| 88 | Dolorosa: Dolorosa, Market Square District, San Antonio, Bexar County, Texas, 78204, USA | | Citizen Science project sensor.community 77515 |
| 75 | Dominion Drive: Dominion Drive, East Side, Madison, Dane County, Wisconsin, 53718, USA | | Citizen Science project sensor.community 78368 |
| 82 | | | SEEN 73009 |
| 2 | | | Walter Gregg 80519 |
| 139 | Downtownish Lynchburg: Monument Terrace, Church Street, Court House Hill, Lynchburg, Virginia, 24504, USA | | Gaia realtime air quality monitoring network 743 |
| 71 | Dry Fork Grogu: Reprise Cove, Round Rock, Williamson County, Texas, 78681, USA | | AirNet - aiqcn.org - waqi.info 100290 |
| 21 | | | uRad Monitor 160001f5 |
| 0 | | | Citizen Science project sensor.community 83626 |
| 88 | | | Gaia realtime air quality monitoring network 751 |
| 27 | Emperor Norden: 38th Avenue, Outer Sunset, San Francisco, San Francisco County, California, 94121, USA | | Gaia realtime air quality monitoring network 491 |
| 71 | | | Citizen Science project sensor.community 49528 |
| 88 | | | SEEN 87442 |
| 97 | | | SEEN 87131 |
| 4 | Fairmont Ave: Fairmont Ave, Downers Grove Township, DuPage County, Illinois, 60516, USA | | Citizen Science project sensor.community 45990 |
| 90 | Fremont (DUESD): Fremont Elementary School, Dover Place, Delano, Kern County, California, 93215, USA | | SJVAir.com 167377 |
| 111 | Fresno-Garland: North First Street, Fresno, Fresno County, California, 93726, USA | | SJVAir.com 167393 |
| 11 | Gayley Road: Hearst Greek Theatre, Gayley Road, Northside, Berkeley, Alameda County, California, 94720, USA | | uRad Monitor 820002ea |
| 4 | | | uRad Monitor 20d9da96 |
| -1 | Grice Court: Antelope, Placer County, California, 95747, USA | | Citizen Science project sensor.community 64966 |
| 105 | HATCH Workshop: S Union Street, Stockton, San Joaquin County, California, 95205, USA | | HATCH Workshop 156003 |
| 62 | Hamilton Ave: Hamilton Ave, Mountain View, Santa Clara County, California, 94043, USA | | Citizen Science project sensor.community 19975 |
| 32 | Hanes: Meadowbridge Drive, Lutz, Hillsborough County, Florida, 33549, USA | | Gaia realtime air quality monitoring network 967 |
| 40 | | | AirNet - aiqcn.org - waqi.info 100363 |
| 89 | | | SJVAir.com 167380 |
| -1 | Hawkins Road: Hawkins Road, Winlock, Lewis County, Washington, 98596, USA | | Citizen Science project sensor.community 81998 |
| 17 | Haycock Rd: Haycock Rd, Mclean, Fairfax County, Virginia, 22046, USA | | uRad Monitor 82000108 |
| 37 | HuntRdLakewood: Hunt Road, Lakewood, Chautauqua County, New York, 14750, USA | | Weather Link 490883 |
| 98 | | | AirNet - aiqcn.org - waqi.info 100146 |
| 63 | Hunts Point Road: Hunts Point Road, Bellevue, King County, Washington, 98004, USA | | Mike Koss 78140 |
| 6 | Joslyn Court: Joslyn Court, Parkside, Boulder, Boulder County, Colorado, 80304, USA | | Gaia realtime air quality monitoring network 800 |
| 8 | Kains Av: Kains Av, Albany, Alameda County, California, 94706, USA | | uRad Monitor 820002e9 |
| 54 | La Pera Court: La Pera Court, Danville, Contra Costa County, California, 94526, USA | | uRad Monitor 82000366 |
| 91 | La Vina School: La Vina School, Road 23, La Vina, Madera County, California, 93637, USA | | SJVAir.com 167388 |
| 29 | Lakeside Drive: Lakeside Drive, Port Wentworth, Chatham County, Georgia, 31407, USA | | uRad Monitor 20da7d06 |
| 0 | Lilly Scott Drive: Lilly Scott Drive, Pineville, Rapides Parish, Louisiana, 71360, USA | | Citizen Science project sensor.community 65455 |
| 100 | | | SJVAir.com 70027 |
| 60 | | | SJVAir.com 67117 |
| 59 | Lydia Drive: Lydia Drive, Maumelle, Pulaski County, Arkansas, 72113, USA | | Citizen Science project sensor.community 37709 |
| 65 | 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 |