| United States |
| -1 | 1009 S chester: South Chester Avenue, Bakersfield, Kern County, California, 93304, USA | | SJVAir.com 167343 |
| 3 | 148th Place SE: 148th Place SE, Renton, King County, Washington, 98059, USA | | Citizen Science project sensor.community 97516 |
| 83 | 23rd Street: 23rd Street, Core City, Detroit, Wayne County, Michigan, 48208, USA | | Citizen Science project sensor.community 100269 |
| 3 | | | Northside Fort Worth Air 180861 |
| 29 | | | Ciencia ciudadana por la Calidad del Aire 50db59 |
| 8 | | | Ciencia ciudadana por la Calidad del Aire 27a3fd |
| 30 | Albany Park (DUESD): Albany Park School, Clark Street, Delano, Kern County, California, 93215, USA | | SJVAir.com 167379 |
| 10 | | | SEEN 73066 |
| 66 | | | Gaia realtime air quality monitoring network 866 |
| 9 | | | Washington State Department of Ecology 53 033 0047 |
| 8 | | | SJVAir.com 71944 |
| 8 | Bayside, Wisconsin: Bayside Middle School, 601, East Ellsworth Lane, Milwaukee River Parkway, Bayside, Milwaukee County, Wisconsin, 53217, USA | | Wisconsin Department Of Natural Resources 55 079 0085 |
| 13 | | | Wisconsin Department Of Natural Resources 55 105 0030 |
| 83 | Breckenridge: Breckenridge, Core City, Detroit, Wayne County, Michigan, 48208, USA | | AirNet - aiqcn.org - waqi.info 100360 |
| 61 | Brewster: South 3rd Avenue, Brewster, Okanogan County, Washington, 98812, USA | | Washington State Department of Ecology 53 047 9990 |
| 8 | Brushy Creek Massai: Brushy Creek Road, Oak Brook, Cedar Park, Williamson County, Texas, 78613, USA | | AirNet - aiqcn.org - waqi.info 100275 |
| 28 | Bulverde Hills: Sierra Vista Drive, Bulverde, Comal County, Texas, 78163, USA | | Weather Link 738519 |
| 24 | Burbank-Maple St: West Maple Street, Burbank, Walla Walla County, Washington, 99323, USA | | Washington State Department of Ecology 53 071 0006 |
| 9 | Cashmere: Foster Street, Cashmere, Chelan County, Washington, 98815, USA | | Washington State Department of Ecology aqs396 |
| 5 | Cathlamet: Cathlamet, Wahkiakum County, Washington, 98612, USA | | Washington State Department of Ecology 53 069 9990 |
| 38 | Cecil Ave (DUESD): Cecil Avenue Junior High School, 13th Avenue, Delano, Kern County, California, 93215, USA | | SJVAir.com 167404 |
| 45 | | | SJVAir.com 156617 |
| 13 | Cle Elum: Cle Elum, Kittitas County, Washington, 98922, USA | | Washington State Department of Ecology 53 037 0180 |
| 29 | Columbus, Ohio: Maize Road, North Linden, Columbus, Franklin County, Ohio, 43224, USA | | Public Parapsychology 173186 |
| 10 | | | Wisconsin Department Of Natural Resources 55 021 0015 |
| 67 | Cress Parkway: Cress Parkway, Hiawatha, Linn County, Iowa, 52233, USA | | Citizen Science project sensor.community 93254 |
| 0 | | | Gaia realtime air quality monitoring network 945 |
| 38 | 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 |
| 19 | Daleridge: Baptiste Way, La Canada Flintridge, Los Angeles County, California, 91011, USA | | Twoº & Rising 152046 |
| 68 | Davenport: Logan Street, Davenport, Lincoln County, Washington, 99122, USA | | Washington State Department of Ecology aqs388 |
| 37 | | | SJVAir.com 167372 |
| 5 | 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 |
| 8 | | | SEEN 73009 |
| 8 | | | Washington State Department of Ecology 53 007 9989 |
| 94 | | | Gaia realtime air quality monitoring network 751 |
| 11 | | | Wisconsin Department Of Natural Resources 55 127 0006 |
| 14 | Ellensburg-Discovery Hall: Central Washington University, 400, East University Way, Ellensburg, Kittitas County, Washington, 98926, USA | | Washington State Department of Ecology 53 037 9999 |
| 9 | | | Washington State Department of Ecology 53 037 9998 |
| 14 | | | Washington State Department of Ecology 53 037 9997 |
| 76 | Entiat: Kinzel Street, Entiat, Chelan County, Washington, 98822, USA | | Washington State Department of Ecology 53 007 9992 |
| 10 | Enumclaw-Mud Mtn.: Mud Mountain Road Southeast, Enumclaw, King County, Washington, 98022, USA | | Washington State Department of Ecology 53 033 0023 |
| 3 | Everett-12th St: 12th Street, Everett, Snohomish County, Washington, 98201, USA | | Washington State Department of Ecology aqs492 |
| -1 | | | Washington State Department of Ecology 53 061 0022 |
| 4 | | | Washington State Department of Ecology aqs466 |
| 6 | | | Washington State Department of Ecology aqs497 |
| 17 | | | Washington State Department of Ecology 53 005 9999 |
| 9 | | | Wisconsin Department Of Natural Resources 55 039 0006 |
| 4 | | | Washington State Department of Ecology aqs469 |
| 33 | Fremont (DUESD): Fremont Elementary School, Dover Place, Delano, Kern County, California, 93215, USA | | SJVAir.com 167377 |
| 10 | George: Washington Way North, Quincy, Grant County, Washington, 98824, USA | | Washington State Department of Ecology 53 025 9990 |
| 9 | | | Washington State Department of Ecology 53 039 9991 |
| 8 | | | Wisconsin Department Of Natural Resources 55 089 0008 |
| 0 | HATCH Workshop: S Union Street, Stockton, San Joaquin County, California, 95205, USA | | HATCH Workshop 156003 |
| 40 | | | SJVAir.com 167380 |
| 55 | | | Wisconsin Department Of Natural Resources 55 053 2002 |
| 57 | | | Wisconsin Department Of Natural Resources 55 081 2001 |
| 26 | HuntRdLakewood: Hunt Road, Lakewood, Chautauqua County, New York, 14750, USA | | Weather Link 490883 |
| 1 | Hunts Point Road: Hunts Point Road, Bellevue, King County, Washington, 98004, USA | | Mike Koss 78140 |
| 8 | Ilwaco: Brumbach Street, Ilwaco, Pacific County, Washington, 98624, USA | | Washington State Department of Ecology aqs501 |
| 7 | | | Washington State Department of Ecology 53 033 0010 |
| 10 | | | Wisconsin Department Of Natural Resources 55 055 0009 |
| 3 | Kelso: Old Pacific Highway South, Kelso, Cowlitz County, Washington, 98626, USA | | Washington State Department of Ecology aqs494 |
| 22 | | | Washington State Department of Ecology 53 005 0003 |
| 0 | | | Wisconsin Department Of Natural Resources 55 059 0025 |
| 7 | | | Wisconsin Department Of Natural Resources 55 061 0002 |
| 32 | La Vina School: La Vina School, Road 23, La Vina, Madera County, California, 93637, USA | | SJVAir.com 167388 |
| 45 | | | Wisconsin Department Of Natural Resources 55 073 0012 |
| 45 | | | SJVAir.com 70027 |
| 15 | | | SJVAir.com 67117 |
| 45 | | | SJVAir.com 70023 |
| 9 | Mainline Road: Mainline Road, Bend, Deschutes County, Oregon, 97702, USA | | Gaia realtime air quality monitoring network 975 |
| 7 | | | Wisconsin Department Of Natural Resources 55 071 0007 |
| 17 | | | Washington State Department of Ecology 53 025 9999 |
| 10 | | | Wisconsin Department Of Natural Resources 55 079 0068 |
| 11 | Mossyrock: Mossyrock Police, 231, East State Street, Mossyrock, Lewis County, Washington, 98564, USA | | Washington State Department of Ecology aqs498 |
| 14 | | | Washington State Department of Ecology 53 077 9998 |
| 10 | | | Washington State Department of Ecology 53 053 0012 |
| 7 | | | Gaia realtime air quality monitoring network 263 |
| 7 | NWCAA - BPS 1: Pacific Street, Bellingham, Whatcom County, Washington, 98229, USA | | Northwest Clean Air Agency 58248 |
| 1 | | | Northwest Clean Air Agency 174598 |