| United States |
| 8 | | | Northside Fort Worth Air 160773 |
| 33 | | | Ciencia ciudadana por la Calidad del Aire 50db59 |
| 8 | | | Ciencia ciudadana por la Calidad del Aire 27a3fd |
| 45 | Albany Park (DUESD): Albany Park School, Clark Street, Delano, Kern County, California, 93215, USA | | SJVAir.com 167379 |
| 18 | | | SEEN 73066 |
| 41 | | | SEEN 73885 |
| 11 | | | Washington State Department of Ecology 53 033 0047 |
| 6 | Breckenridge: Breckenridge, Core City, Detroit, Wayne County, Michigan, 48208, USA | | AirNet - aiqcn.org - waqi.info 100360 |
| 3 | Brewster: South 3rd Avenue, Brewster, Okanogan County, Washington, 98812, USA | | Washington State Department of Ecology 53 047 9990 |
| 5 | Burbank-Maple St: West Maple Street, Burbank, Walla Walla County, Washington, 99323, USA | | Washington State Department of Ecology 53 071 0006 |
| 7 | Cashmere: Foster Street, Cashmere, Chelan County, Washington, 98815, USA | | Washington State Department of Ecology aqs396 |
| 1 | Cathlamet: Cathlamet, Wahkiakum County, Washington, 98612, USA | | Washington State Department of Ecology 53 069 9990 |
| 44 | Cecil Ave (DUESD): Cecil Avenue Junior High School, 13th Avenue, Delano, Kern County, California, 93215, USA | | SJVAir.com 167404 |
| 64 | | | SJVAir.com 156617 |
| 4 | Cle Elum: Cle Elum, Kittitas County, Washington, 98922, USA | | Washington State Department of Ecology 53 037 0180 |
| 10 | Daleridge: Baptiste Way, La Canada Flintridge, Los Angeles County, California, 91011, USA | | Twoº & Rising 152046 |
| 8 | Davenport: Logan Street, Davenport, Lincoln County, Washington, 99122, USA | | Washington State Department of Ecology 53 043 9990 |
| 41 | | | SJVAir.com 167372 |
| 60 | | | Walter Gregg 80519 |
| 5 | | | Washington State Department of Ecology 53 007 9989 |
| 3 | Ellensburg-Discovery Hall: Central Washington University, 400, East University Way, Ellensburg, Kittitas County, Washington, 98926, USA | | Washington State Department of Ecology 53 037 9999 |
| 5 | | | Washington State Department of Ecology 53 037 9998 |
| 5 | | | Washington State Department of Ecology 53 037 9997 |
| 4 | Entiat: Kinzel Street, Entiat, Chelan County, Washington, 98822, USA | | Washington State Department of Ecology 53 007 9992 |
| 3 | 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 |
| 25 | | | Washington State Department of Ecology 53 061 0022 |
| 10 | | | Washington State Department of Ecology aqs466 |
| 10 | | | Washington State Department of Ecology aqs497 |
| 5 | | | Washington State Department of Ecology 53 005 9999 |
| 29 | | | Washington State Department of Ecology aqs469 |
| 50 | Fremont (DUESD): Fremont Elementary School, Dover Place, Delano, Kern County, California, 93215, USA | | SJVAir.com 167377 |
| 4 | George: Washington Way North, Quincy, Grant County, Washington, 98824, USA | | Washington State Department of Ecology 53 025 9990 |
| 7 | | | Washington State Department of Ecology 53 039 9991 |
| 49 | | | SJVAir.com 167380 |
| 17 | | | Wisconsin Department Of Natural Resources 55 053 2002 |
| 15 | | | Wisconsin Department Of Natural Resources 55 081 2001 |
| 8 | Hunts Point Road: Hunts Point Road, Bellevue, King County, Washington, 98004, USA | | Mike Koss 78140 |
| 9 | Ilwaco: Brumbach Street, Ilwaco, Pacific County, Washington, 98624, USA | | Washington State Department of Ecology aqs501 |
| 9 | | | Washington State Department of Ecology 53 033 0010 |
| 4 | Kelso: Old Pacific Highway South, Kelso, Cowlitz County, Washington, 98626, USA | | Washington State Department of Ecology aqs494 |
| 5 | | | Washington State Department of Ecology 53 005 0003 |
| 13 | | | Wisconsin Department Of Natural Resources 55 059 0025 |
| 26 | La Vina School: La Vina School, Road 23, La Vina, Madera County, California, 93637, USA | | SJVAir.com 167388 |
| 9 | | | Wisconsin Department Of Natural Resources 55 073 0012 |
| 23 | | | SJVAir.com 70027 |
| 97 | | | SJVAir.com 70023 |
| 6 | | | Washington State Department of Ecology 53 025 9999 |
| 43 | Morningside (DUESD): Morning Side Elementary School, White Oak Drive, Delano, Kern County, California, 93215, USA | | SJVAir.com 167403 |
| 5 | Mossyrock: Mossyrock Police, 231, East State Street, Mossyrock, Lewis County, Washington, 98564, USA | | Washington State Department of Ecology aqs498 |
| 5 | | | Washington State Department of Ecology 53 077 9998 |
| 18 | | | Washington State Department of Ecology 53 053 0012 |
| 8 | | | Northwest Clean Air Agency 58250 |
| 7 | NWCAA - BPS 2: Pacific Street, Bellingham, Whatcom County, Washington, 98229, USA | | Northwest Clean Air Agency 58249 |
| 3 | Newport-Calispel: West 1st Street, Newport, Pend Oreille County, Washington, 99156, USA | | Washington State Department of Ecology 53 051 0008 |
| 19 | | | SEEN 62065 |
| 50 | Nueva Vista (DUESD): Valle Vista School, Belmont Street, Delano, Kern County, California, 93215, USA | | SJVAir.com 167400 |
| 1 | PSI-329: West San Marcos Boulevard, San Marcos, San Diego County, California, 92078, USA | | RB Power Design 86792 |
| 9 | 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 |
| 45 | Pioneer (DUESD): Camino Real Drive, Delano, Kern County, California, 93215, USA | | SJVAir.com 167385 |
| 28 | | | SJVAir.com 167381 |
| 16 | | | Washington State Department of Ecology 53 005 0004 |
| 7 | Puyallup-Pioneer Way E: Spinning Elementary School, 1306, East Pioneer, Puyallup, Pierce County, Washington, 98372, USA | | Washington State Department of Ecology 53 053 9999 |
| 3 | Republic: North Clark Avenue, Republic, Ferry County, Washington, 99166, USA | | Washington State Department of Ecology 53 019 9990 |
| 52 | | | SEEN 73007 |
| 20 | | | SEEN 62067 |
| 5 | Royal City: Royal High School, Road 12 Southwest, Royal Camp, Grant County, Washington, 99357, USA | | Washington State Department of Ecology 53 025 9991 |
| 13 | | | SJVAir.com 79319 |
| 31 | SJVAir-7740: North Millbrook Avenue, Fresno, Fresno County, California, 93710, USA | | SJVAir.com 167378 |
| 21 | SJVAir-af04: Celeste Avenue, Clovis, Fresno County, California, 93611, USA | | SJVAir.com 167399 |
| 10 | SeaTac-Sunset Park: 18th Avenue South, Foster, Burien, King County, Washington, 98168, USA | | Washington State Department of Ecology aqs491 |
| 8 | Seattle-13th Ave S: Georgetown Steam Plant, 6505, 13th Avenue South, Van Asselt, Georgetown, Seattle, King County, Washington, 98108, USA | | Washington State Department of Ecology aqs505 |
| 8 | Seattle-16th Ave S: 16th Avenue South, Beacon Hill, Seattle, King County, Washington, 98144, USA | | Washington State Department of Ecology 53 033 9987 |
| 8 | Seattle-23rd Ave SW: 23rd Avenue SW, North Delridge, Seattle, King County, Washington, 98106, USA | | Washington State Department of Ecology 53 033 9993 |
| 10 | Seattle-5th Ave S: 5th Avenue South, Georgetown, Seattle, King County, Washington, 98108, USA | | Washington State Department of Ecology aqs503 |
| 8 | | | Washington State Department of Ecology 53 033 9989 |
| 8 | Seattle-Linden Ave N: Linden Avenue North, Bitter Lake, Seattle, King County, Washington, 98133, USA | | Washington State Department of Ecology 53 033 9985 |
| 9 | Seattle-NE 127th St: NE 127th Street, Olympic Hills, Seattle, King County, Washington, 98125, USA | | Washington State Department of Ecology 53 033 9988 |
| 8 | | | Washington State Department of Ecology 53 033 9984 |
| 15 | | | SJVAir.com 79327 |