| United States |
| 111 | | | Northside Fort Worth Air 85594 |
| 0 | 1st Avenue: 1st Avenue, Med Center, Sacramento, Sacramento County, California, 95817, USA | | Citizen Science project sensor.community 87680 |
| 95 | | | Northside Fort Worth Air 180861 |
| 93 | | | Northside Fort Worth Air 160773 |
| 33 | | | Ciencia ciudadana por la Calidad del Aire 50db59 |
| 8 | | | Ciencia ciudadana por la Calidad del Aire 27a3fd |
| 120 | Albany Park (DUESD): Albany Park School, Clark Street, Delano, Kern County, California, 93215, USA | | SJVAir.com 167379 |
| 64 | | | SEEN 73066 |
| 100 | | | SEEN 73885 |
| 18 | | | Citizen Science project sensor.community 19621 |
| 41 | | | Washington State Department of Ecology 53 033 0047 |
| 31 | | | SJVAir.com 71944 |
| 5 | Brewster: South 3rd Avenue, Brewster, Okanogan County, Washington, 98812, USA | | Washington State Department of Ecology 53 047 9990 |
| 12 | Burbank-Maple St: West Maple Street, Burbank, Walla Walla County, Washington, 99323, USA | | Washington State Department of Ecology 53 071 0006 |
| 12 | Cashmere: Foster Street, Cashmere, Chelan County, Washington, 98815, USA | | Washington State Department of Ecology aqs396 |
| 23 | Cathlamet: Cathlamet, Wahkiakum County, Washington, 98612, USA | | Washington State Department of Ecology 53 069 9990 |
| 111 | Cecil Ave (DUESD): Cecil Avenue Junior High School, 13th Avenue, Delano, Kern County, California, 93215, USA | | SJVAir.com 167404 |
| 120 | | | SJVAir.com 156617 |
| 15 | Cle Elum: Cle Elum, Kittitas County, Washington, 98922, USA | | Washington State Department of Ecology 53 037 0180 |
| 13 | Columbus, Ohio: Maize Road, North Linden, Columbus, Franklin County, Ohio, 43224, USA | | Public Parapsychology 173186 |
| 6 | Corry Street: Corry Street, Schenk-Atwood-Starkweather-Yahara, Madison, Dane County, Wisconsin, 53704, USA | | Citizen Science project sensor.community 79001 |
| 3 | Crescent St: Crescent St, Denton, Denton County, Texas, 76201, USA | | Citizen Science project sensor.community 17739 |
| 21 | 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 |
| 6 | Davenport: Logan Street, Davenport, Lincoln County, Washington, 99122, USA | | Washington State Department of Ecology 53 043 9990 |
| 110 | | | 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 |
| 4 | Dominion Drive: Dominion Drive, East Side, Madison, Dane County, Wisconsin, 53718, USA | | Citizen Science project sensor.community 78368 |
| 0 | | | Walter Gregg 80519 |
| 8 | | | Washington State Department of Ecology 53 007 9989 |
| 7 | Ellensburg-Discovery Hall: Central Washington University, 400, East University Way, Ellensburg, Kittitas County, Washington, 98926, USA | | Washington State Department of Ecology 53 037 9999 |
| 13 | | | Washington State Department of Ecology 53 037 9998 |
| 10 | | | Washington State Department of Ecology 53 037 9997 |
| 5 | Entiat: Kinzel Street, Entiat, Chelan County, Washington, 98822, USA | | Washington State Department of Ecology 53 007 9992 |
| 9 | Enumclaw-Mud Mtn.: Mud Mountain Road Southeast, Enumclaw, King County, Washington, 98022, USA | | Washington State Department of Ecology 53 033 0023 |
| 0 | | | Citizen Science project sensor.community 49528 |
| 38 | | | Washington State Department of Ecology 53 061 0022 |
| 12 | | | Washington State Department of Ecology aqs466 |
| 72 | | | SEEN 87442 |
| 79 | | | SEEN 87131 |
| 4 | Fairmont Ave: Fairmont Ave, Downers Grove Township, DuPage County, Illinois, 60516, USA | | Citizen Science project sensor.community 45990 |
| 31 | | | Washington State Department of Ecology aqs497 |
| 28 | | | Washington State Department of Ecology 53 005 9999 |
| 8 | | | Washington State Department of Ecology aqs469 |
| 117 | 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 |
| 27 | | | Washington State Department of Ecology 53 039 9991 |
| 5 | Grandoaks Drive: Grandoaks Drive, Westlake Village, Los Angeles County, California, 91361, USA | | Citizen Science project sensor.community 49986 |
| 92 | HATCH Workshop: S Union Street, Stockton, San Joaquin County, California, 95205, USA | | HATCH Workshop 156003 |
| 0 | Hamilton Ave: Hamilton Ave, Mountain View, Santa Clara County, California, 94043, USA | | Citizen Science project sensor.community 19975 |
| 103 | | | SJVAir.com 167380 |
| 18 | | | Wisconsin Department Of Natural Resources 55 053 2002 |
| 22 | | | Wisconsin Department Of Natural Resources 55 081 2001 |
| 24 | HuntRdLakewood: Hunt Road, Lakewood, Chautauqua County, New York, 14750, USA | | Weather Link 490883 |
| 8 | 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 |
| 22 | | | Washington State Department of Ecology 53 033 0010 |
| 23 | Kelso: Old Pacific Highway South, Kelso, Cowlitz County, Washington, 98626, USA | | Washington State Department of Ecology aqs494 |
| 8 | | | Washington State Department of Ecology 53 005 0003 |
| 15 | | | Wisconsin Department Of Natural Resources 55 059 0025 |
| 91 | La Vina School: La Vina School, Road 23, La Vina, Madera County, California, 93637, USA | | SJVAir.com 167388 |
| 13 | | | Wisconsin Department Of Natural Resources 55 073 0012 |
| 93 | | | SJVAir.com 70027 |
| 28 | | | SJVAir.com 67117 |
| 48 | | | SJVAir.com 70023 |
| 21 | Lydia Drive: Lydia Drive, Maumelle, Pulaski County, Arkansas, 72113, USA | | Citizen Science project sensor.community 37709 |
| 43 | 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 |
| 10 | | | Washington State Department of Ecology 53 025 9999 |
| 114 | Morningside (DUESD): Morning Side Elementary School, White Oak Drive, Delano, Kern County, California, 93215, USA | | SJVAir.com 167403 |
| 13 | Mossyrock: Mossyrock Police, 231, East State Street, Mossyrock, Lewis County, Washington, 98564, USA | | Washington State Department of Ecology aqs498 |
| 16 | | | Washington State Department of Ecology 53 077 9998 |
| 19 | | | Washington State Department of Ecology 53 053 0012 |
| 26 | NE Mason St: NE Mason St, Cully, Portland, Multnomah County, Oregon, 97218, USA | | Citizen Science project sensor.community 1360 |
| 12 | | | Northwest Clean Air Agency 58250 |
| 8 | NWCAA - BPS 2: Pacific Street, Bellingham, Whatcom County, Washington, 98229, USA | | Northwest Clean Air Agency 58249 |
| 0 | | | Northwest Clean Air Agency 174598 |
| 33 | Newport-Calispel: West 1st Street, Newport, Pend Oreille County, Washington, 99156, USA | | Washington State Department of Ecology 53 051 0008 |
| 50 | North 21st Street: North 21st Street, Fairmount, Philadelphia, Philadelphia County, Pennsylvania, 19130, USA | | Citizen Science project sensor.community 71749 |
| 17 | | | SEEN 62065 |
| 116 | Nueva Vista (DUESD): Valle Vista School, Belmont Street, Delano, Kern County, California, 93215, USA | | SJVAir.com 167400 |
| 4 | Otley Drive: Otley Drive, Huntington, Fairfax County, Virginia, 22303, USA | | Citizen Science project sensor.community 47808 |