| United States |
| 10 | | | Northside Fort Worth Air 160773 |
| 8 | | | Ciencia ciudadana por la Calidad del Aire 50db59 |
| 13 | | | Ciencia ciudadana por la Calidad del Aire 27a3fd |
| 17 | Albany Park (DUESD): Albany Park School, Clark Street, Delano, Kern County, California, 93215, USA | | SJVAir.com 167379 |
| 68 | | | Gaia realtime air quality monitoring network 866 |
| 22 | | | Washington State Department of Ecology 53 033 0047 |
| 8 | | | SJVAir.com 71944 |
| 17 | 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 |
| 17 | | | Wisconsin Department Of Natural Resources 55 105 0030 |
| 81 | Brewster: South 3rd Avenue, Brewster, Okanogan County, Washington, 98812, USA | | Washington State Department of Ecology 53 047 9990 |
| 12 | Brushy Creek Massai: Brushy Creek Road, Oak Brook, Cedar Park, Williamson County, Texas, 78613, USA | | AirNet - aiqcn.org - waqi.info 100275 |
| 22 | Burbank-Maple St: West Maple Street, Burbank, Walla Walla County, Washington, 99323, USA | | Washington State Department of Ecology 53 071 0006 |
| 12 | Carlsbad: Grado El Tupelo, Carlsbad, San Diego County, California, 92009, USA | | FTS 187125 |
| 55 | Cashmere: Foster Street, Cashmere, Chelan County, Washington, 98815, USA | | Washington State Department of Ecology aqs396 |
| 4 | Cathlamet: Cathlamet, Wahkiakum County, Washington, 98612, USA | | Washington State Department of Ecology 53 069 9990 |
| 8 | Cle Elum: Cle Elum, Kittitas County, Washington, 98922, USA | | Washington State Department of Ecology 53 037 0180 |
| 20 | Columbus, Ohio: Maize Road, North Linden, Columbus, Franklin County, Ohio, 43224, USA | | Public Parapsychology 173186 |
| 9 | | | Wisconsin Department Of Natural Resources 55 021 0015 |
| 79 | Davenport: Logan Street, Davenport, Lincoln County, Washington, 99122, USA | | Washington State Department of Ecology aqs388 |
| 24 | | | SJVAir.com 167372 |
| 18 | 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 | Dry Fork Grogu: Reprise Cove, Round Rock, Williamson County, Texas, 78681, USA | | AirNet - aiqcn.org - waqi.info 100290 |
| 28 | | | Washington State Department of Ecology 53 007 9989 |
| 10 | | | Wisconsin Department Of Natural Resources 55 127 0006 |
| 35 | Ellensburg-Discovery Hall: Central Washington University, 400, East University Way, Ellensburg, Kittitas County, Washington, 98926, USA | | Washington State Department of Ecology 53 037 9999 |
| 14 | | | Washington State Department of Ecology 53 037 9998 |
| 28 | | | Washington State Department of Ecology 53 037 9997 |
| 22 | Emerald Downs: Ron Crockett Drive NW, Auburn, King County, Washington, 98001, USA | | Racing Surfaces Testing Laboratory 202155 |
| 258 | Entiat: Kinzel Street, Entiat, Chelan County, Washington, 98822, USA | | Washington State Department of Ecology 53 007 9992 |
| 17 | Enumclaw-Mud Mtn.: Mud Mountain Road Southeast, Enumclaw, King County, Washington, 98022, USA | | Washington State Department of Ecology 53 033 0023 |
| 8 | 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 |
| 11 | | | Washington State Department of Ecology aqs466 |
| 30 | | | Washington State Department of Ecology 53 005 9999 |
| 49 | Fishers Court: Fishers Court, Moorpark, Ventura County, California, 93021, USA | | Gaia realtime air quality monitoring network 1163 |
| 12 | | | Wisconsin Department Of Natural Resources 55 039 0006 |
| 3 | | | Washington State Department of Ecology aqs469 |
| 17 | Fremont (DUESD): Fremont Elementary School, Dover Place, Delano, Kern County, California, 93215, USA | | SJVAir.com 167377 |
| 30 | George: Washington Way North, Quincy, Grant County, Washington, 98824, USA | | Washington State Department of Ecology 53 025 9990 |
| 15 | | | Washington State Department of Ecology 53 039 9991 |
| 18 | | | Wisconsin Department Of Natural Resources 55 089 0008 |
| 11 | | | Wisconsin Department Of Natural Resources 55 009 0026 |
| 40 | HATCH Workshop: S Union Street, Stockton, San Joaquin County, California, 95205, USA | | HATCH Workshop 156003 |
| 47 | | | Wisconsin Department Of Natural Resources 55 053 2002 |
| 36 | | | Wisconsin Department Of Natural Resources 55 081 2001 |
| 3 | Ilwaco: Brumbach Street, Ilwaco, Pacific County, Washington, 98624, USA | | Washington State Department of Ecology aqs501 |
| 8 | | | Washington State Department of Ecology 53 033 0010 |
| 5 | | | Wisconsin Department Of Natural Resources 55 055 0009 |
| 1 | Joliet: Joliet, Will County, Illinois, 60432, USA | | Government of Len 200530 |
| 4 | Kelso: Old Pacific Highway South, Kelso, Cowlitz County, Washington, 98626, USA | | Washington State Department of Ecology aqs494 |
| 17 | | | Washington State Department of Ecology 53 005 0003 |
| 17 | | | Wisconsin Department Of Natural Resources 55 059 0025 |
| 14 | | | Wisconsin Department Of Natural Resources 55 061 0002 |
| 22 | La Costa Valley: Vista Chaparral, Carlsbad, San Diego County, California, 92009, USA | | FTS 184469 |
| 22 | | | Wisconsin Department Of Natural Resources 55 073 0012 |
| 197 | Main Street: Main Street, Klamath Falls, Klamath County, Oregon, 97601, USA | | Gaia realtime air quality monitoring network 652 |
| -1 | | | Washington State Department of Ecology 53 025 9999 |
| 3 | | | rmamer 89805 |
| 18 | | | Wisconsin Department Of Natural Resources 55 079 0068 |
| 14 | Morningside (DUESD): Morning Side Elementary School, White Oak Drive, Delano, Kern County, California, 93215, USA | | SJVAir.com 167403 |
| 10 | Mossyrock: Mossyrock Police, 231, East State Street, Mossyrock, Lewis County, Washington, 98564, USA | | Washington State Department of Ecology aqs498 |
| 8 | | | Washington State Department of Ecology 53 077 9998 |
| 22 | | | Washington State Department of Ecology 53 053 0012 |
| 143 | | | Gaia realtime air quality monitoring network 263 |
| 7 | | | Northwest Clean Air Agency 58250 |
| 13 | NWCAA - BPS 2: Pacific Street, Bellingham, Whatcom County, Washington, 98229, USA | | Northwest Clean Air Agency 58249 |
| 1 | | | Northwest Clean Air Agency 174598 |
| 15 | Newport, Wisconsin: Service Building, Newport Park Road, Town of Liberty Grove, Door County, Wisconsin, 54210, USA | | Wisconsin Department Of Natural Resources 55 029 0004 |
| 161 | Newport-Calispel: West 1st Street, Newport, Pend Oreille County, Washington, 99156, USA | | Washington State Department of Ecology 53 051 0008 |
| 0 | | | Gaia realtime air quality monitoring network 987 |
| 40 | | | SEEN 62065 |
| 16 | Nueva Vista (DUESD): Valle Vista School, Belmont Street, Delano, Kern County, California, 93215, USA | | SJVAir.com 167400 |
| 15 | Padilla Bay: Padilla Bay National Estuarine Research Reserve, Marihugh Road, Bay View, Skagit County, Washington, 98273, USA | | Washington State Department of Ecology 53 057 9990 |
| 20 | | | SJVAir.com 167360 |
| 19 | | | Washington State Department of Ecology aqs272 |
| 33 | Puyallup-Pioneer Way E: Spinning Elementary School, 1306, East Pioneer, Puyallup, Pierce County, Washington, 98372, USA | | Washington State Department of Ecology 53 053 9999 |
| 15 | | | Wisconsin Department Of Natural Resources 55 101 0020 |
| -1 | Republic: North Clark Avenue, Republic, Ferry County, Washington, 99166, USA | | Washington State Department of Ecology 53 019 9990 |
| 13 | | | SEEN 62067 |
| 80 | Royal City: Royal High School, Road 12 Southwest, Royal Camp, Grant County, Washington, 99357, USA | | Washington State Department of Ecology 53 025 9991 |