Air Quality Telemetry System

AQI 24HR Summary

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Sunday, 9/6/2026
This report provides todays AQI forecast for the most current hour and historical AQI 24HR summary data
County Category Site Pollutant Occured AQI
Grays Harbor Good Aberdeen-Division St PM2.5 05 AM 17
Spokane Good Airway Heights-W 12th Ave PM2.5 05 AM 22
Skagit Good Anacortes 202 O Avenue PM2.5 05 AM 42
Skagit Good Anacortes-Bartholomew Rd PM2.5 05 AM 17
King Good Auburn-29th Street PM2.5 (NPM25) 05 AM 21
King Good Bellevue-SE 12th St PM2.5 05 AM 24
Whatcom Good Bellingham-Pacific St PM2.5 05 AM 26
Kitsap Good Bremerton-Spruce Ave PM2.5 05 AM 36
Walla Walla Good Burbank-Maple St PM2.5 05 AM 14
Lewis Good Chehalis-Market Blvd PM2.5 05 AM 33
Spokane Good Cheney-Turnbull PM2.5 05 AM 15
Asotin Good Clarkston-13th St PM2.5 05 AM 24
Spokane Good Colbert-Greenbluff Rd PM2.5 05 AM 16
Stevens Good Colville-E 1st St PM2.5 05 AM 7
Whatcom Good Custer-Loomis PM2.5 05 AM 21
Snohomish Good Darrington-Fir St PM2.5 05 AM 23
Columbia Good Dayton-W Main St PM2.5 05 AM 17
Kittitas Good Ellensburg-Ruby St PM2.5 05 AM 49
Snohomish Good Everett-Beverly Park Rd PM2.5 05 AM 26
Yakima Good Granger-E Mentzer Ave PM2.5 05 AM 27
King Good Kent-S 236th St PM2.5 05 AM 33
Thurston Good Lacey-College St PM2.5 05 AM 36
King Good Lake Forest Park-Town Center PM2.5 05 AM 26
Spokane Good Liberty Lake-E Country Vista Dr PM2.5 05 AM 17
Cowlitz Good Longview-30th Ave PM2.5 05 AM 19
Yakima No Index Mabton-B St PM2.5 05 AM ----
Snohomish Moderate Marysville-7th Ave PM2.5 05 AM 51
Franklin Good Mesa-Pepiot Way PM2.5 05 AM 17
Grant Good Moses Lake-Balsam St PM2.5 05 AM 18
Pierce Good Mt Rainier-Jackson Visitors Ctr O3 05 AM 37
Skagit Good Mt Vernon-S Second St PM2.5 05 AM 19
Clallam Good Neah Bay 2-Makah Tribe PM2.5 05 AM 14
King Good North Bend-North Bend Way PM2.5 05 AM 25
Island Good Oak Harbor-Goldie Rd PM2.5 05 AM 23
Okanogan Good Omak-Colville Tribe PM2.5 05 AM 8
Garfield Good Pomeroy-Pataha St PM2.5 05 AM 16
Clallam Good Port Angeles- E 5th St PM2.5 05 AM 20
Jefferson Good Port Townsend-San Juan Ave PM2.5 05 AM 20
Benton Good Prosser-Highland Dr PM2.5 05 AM 28
Whitman Good Pullman-Dexter SE PM2.5 05 AM 21
Grant Good Quincy-3rd Ave NE PM2.5 05 AM 22
Pacific Good Raymond-4th St PM2.5 05 AM 21
Adams Good Ritzville-Alder St PM2.5 05 AM 17
Whitman Good Rosalia-Josephine St PM2.5 05 AM 21
King Good SeaTac-Sunset Park PM2.5 05 AM 39
King Good Seattle-10th & Weller PM2.5 05 AM 30
King Good Seattle-Beacon Hill PM2.5 05 AM 29
King Good Seattle-Duwamish PM2.5 05 AM 44
King Good Seattle-South Park PM2.5 05 AM 30
Mason Good Shelton-W Franklin PM2.5 05 AM 19
Spokane Good Spokane Valley-E Broadway Ave PM2.5 05 AM 37
Spokane Good Spokane-Augusta Ave PM2.5 05 AM 22
Spokane Good Spokane-E Sprague Ave PM2.5 05 AM 29
Spokane Good Spokane-Greenbluff O3 05 AM 26
Spokane Good Spokane-Monroe St PM2.5 05 AM 22
Yakima Moderate Sunnyside-S 16th St PM2.5 05 AM 51
Pierce Good Tacoma-L Street PM2.5 05 AM 39
Pierce Good Tacoma-S 36th St PM2.5 05 AM 42
Grays Harbor Good Taholah-Quinault Tribe PM2.5 05 AM 14
Yakima Good Toppenish-Yakama Tribe PM2.5 05 AM 22
King Moderate Tukwila Allentown PM2.5 05 AM 54
Okanogan Good Twisp-S Lincoln St PM2.5 05 AM 20
Clark Good Vancouver NE 84th Ave PM2.5 05 AM 45
Walla Walla Good Walla Walla-12th St PM2.5 05 AM 24
Stevens Good Wellpinit-Spokane Tribe PM2.5 05 AM 12
Chelan Good Wenatchee-Fifth St PM2.5 05 AM 22
Clark Good Yacolt-Yacolt Rd PM2.5 05 AM 18
Yakima Good Yakima-4th Ave PM2.5 05 AM 28