Air Quality Telemetry System

AQI 24HR Summary

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Monday, 6/23/2025
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 11 PM 12
Spokane Moderate Airway Heights-W 12th Ave PM2.5 11 PM 52
Skagit Good Anacortes 202 O Avenue PM2.5 11 PM 45
Skagit Moderate Anacortes-Bartholomew Rd PM2.5 11 PM 52
King Moderate Auburn-29th Street PM2.5 (NPM25) 11 PM 55
King Good Bellevue-SE 12th St PM2.5 11 PM 39
Whatcom Good Bellingham-Pacific St PM2.5 11 PM 19
Kitsap Good Bremerton-Spruce Ave PM2.5 11 PM 43
Okanogan Moderate Brewster PM2.5 11 PM 59
Walla Walla Moderate Burbank-Maple St PM2.5 11 PM 51
Chelan Moderate Cashmere PM2.5 11 PM 57
Wahkiakum Good Cathlamet PM2.5 11 PM 13
Lewis Good Chehalis-Market Blvd PM2.5 11 PM 32
Chelan Moderate Chelan-Woodin Ave PM2.5 11 PM 58
Spokane Good Cheney-Turnbull PM2.5 11 PM 50
Asotin Moderate Clarkston-13th St PM2.5 11 PM 51
Kittitas Moderate Cle Elum PM2.5 11 PM 57
Spokane Moderate Colbert-Greenbluff Rd PM2.5 11 PM 58
Stevens Good Colville-E 1st St PM2.5 11 PM 41
Whatcom Good Custer-Loomis PM2.5 11 PM 32
Snohomish Moderate Darrington-Fir St PM2.5 11 PM 53
Lincoln Moderate Davenport PM2.5 11 PM 57
Columbia Good Dayton-W Main St PM2.5 11 PM 31
King Moderate Des Moines-S 240th St PM2.5 11 PM 54
Douglas Moderate East Wenatchee-8th St NE PM2.5 11 PM 56
Kittitas Moderate Ellensburg-Discovery Hall PM2.5 11 PM 57
Kittitas Moderate Ellensburg-Mountain View Ave PM2.5 11 PM 58
Kittitas Moderate Ellensburg-N Cora St PM2.5 11 PM 57
Kittitas Moderate Ellensburg-Ruby St PM2.5 11 PM 57
Chelan Moderate Entiat PM2.5 11 PM 57
King Moderate Enumclaw-Mud Mtn. PM2.5 11 PM 55
Snohomish Good Everett-12th St PM2.5 11 PM 40
Snohomish Moderate Everett-Beverly Park Rd PM2.5 11 PM 55
Snohomish Good Everett-Rucker Ave PM2.5 11 PM 42
King Good Federal Way-S 300th St PM2.5 11 PM 49
Benton Moderate Finley-S Finley Rd PM2.5 11 PM 52
Clallam Good Forks-Tillicum Ln PM2.5 11 PM 8
Grant Moderate George PM2.5 11 PM 60
Klickitat Moderate Goldendale-W Court St PM2.5 11 PM 57
King Moderate Issaquah-Lake Sammamish PM2.5 11 PM 54
Cowlitz Good Kelso PM2.5 11 PM 21
Benton Good Kennewick-Metaline PM2.5 11 PM 43
Benton Moderate Kennewick-S Steptoe St PM2.5 11 PM 51
Thurston Good Lacey-College St PM2.5 11 PM 47
Whitman Good LaCrosse-Hill St PM2.5 11 PM 40
King Good Lake Forest Park-Town Center PM2.5 11 PM 33
Chelan Moderate Leavenworth-Evans St PM2.5 11 PM 58
Cowlitz Good Longview-30th Ave PM2.5 11 PM 14
Whatcom Moderate Maple Falls - Azure Way PM2.5 11 PM 51
Snohomish Good Marysville-7th Ave PM2.5 11 PM 42
Grant Moderate Mattawa Wahluke High School PM2.5 11 PM 57
Franklin Moderate Mesa-Pepiot Way PM2.5 11 PM 58
Grant Moderate Moses Lake-Balsam St PM2.5 11 PM 67
Lewis Good Mossyrock PM2.5 11 PM 41
Yakima Moderate Moxee-E Seattle Ave PM2.5 11 PM 60
Pierce Moderate Mt Rainier-Jackson Visitors Ctr PM2.5 11 PM 61
Skagit Good Mt Vernon-S Second St PM2.5 11 PM 18
Clallam Good Neah Bay 2-Makah Tribe PM2.5 11 PM 9
Pend Oreille Moderate Newport-Calispel PM2.5 11 PM 57
King Moderate North Bend-North Bend Way PM2.5 11 PM 51
Island Good Oak Harbor-SW 6th PM2.5 11 PM 8
Okanogan Moderate Omak-Colville Tribe PM2.5 11 PM 55
Skagit Good Padilla Bay PM2.5 11 PM 36
Garfield Good Pomeroy-Pataha St PM2.5 11 PM 36
Clallam Good Port Angeles- E 5th St PM2.5 11 PM 22
Jefferson Good Port Townsend-San Juan Ave PM2.5 11 PM 18
Benton Moderate Prosser-Highland Dr PM2.5 11 PM 55
Whitman Good Pullman-Dexter SE PM2.5 11 PM 39
Pierce Moderate Puyallup-Pioneer Way E PM2.5 11 PM 55
Grant Moderate Quincy-3rd Ave NE PM2.5 11 PM 59
Pacific Good Raymond-4th St PM2.5 11 PM 13
Ferry Moderate Republic PM2.5 11 PM 57
Adams Moderate Ritzville-Alder St PM2.5 11 PM 57
Whitman Good Rosalia-Josephine St PM2.5 11 PM 45
Grant Moderate Royal City PM2.5 11 PM 60
King Good SeaTac-Sunset Park PM2.5 11 PM 41
King Moderate Seattle-10th & Weller PM2.5 11 PM 57
King Moderate Seattle-16th Ave S PM2.5 11 PM 52
King Good Seattle-23rd Ave SW PM2.5 11 PM 39
King Good Seattle-Beacon Hill PM2.5 11 PM 41
King Good Seattle-College Way N PM2.5 11 PM 41
King Good Seattle-Duwamish PM2.5 11 PM 29
King Good Seattle-Linden Ave N PM2.5 11 PM 39
King Good Seattle-NE 127th St PM2.5 11 PM 39
King Good Seattle-S Myrtle St PM2.5 11 PM 46
King Moderate Seattle-South Park PM2.5 11 PM 52
Mason Moderate Shelton-W Franklin PM2.5 11 PM 54
Grant Moderate Soap Lake-4th Ave SE PM2.5 11 PM 55
Spokane Moderate Spokane Valley-E Broadway Ave PM2.5 11 PM 55
Spokane Moderate Spokane Valley-E Buckeye Ave PM2.5 11 PM 57
Spokane Moderate Spokane Valley-E Wellesley Ave PM2.5 11 PM 56
Spokane Moderate Spokane Valley-N Pines Rd PM2.5 11 PM 55
Spokane Moderate Spokane-Augusta Ave PM2.5 11 PM 55
Spokane Moderate Spokane-E Garland Ave PM2.5 11 PM 56
Spokane Moderate Spokane-E Joseph Ave PM2.5 11 PM 55
Spokane Moderate Spokane-E Sprague Ave PM2.5 11 PM 57
Spokane Moderate Spokane-E Stonewall Ave PM2.5 11 PM 57
Spokane Moderate Spokane-E Thurston Ave PM2.5 11 PM 52
Spokane Moderate Spokane-Greenbluff PM2.5 11 PM 55
Spokane Moderate Spokane-Monroe St PM2.5 11 PM 56
Spokane Moderate Spokane-N Howard St PM2.5 11 PM 55
Spokane Moderate Spokane-N Perry St PM2.5 11 PM 55
Spokane Moderate Spokane-S Pittsburg St PM2.5 11 PM 52
Skamania Good Stevenson PM2.5 11 PM 47
Yakima Moderate Sunnyside-S 16th St PM2.5 11 PM 56
Pierce Good Tacoma-Alexander Ave PM2.5 11 PM 39
Pierce Good Tacoma-L Street PM2.5 11 PM 44
Pierce Good Tacoma-S 36th St PM2.5 11 PM 45
Grays Harbor Good Taholah-Quinault Tribe PM2.5 11 PM 10
Okanogan Moderate Tonasket PM2.5 11 PM 54
Yakima Moderate Toppenish-Yakama Tribe PM2.5 11 PM 67
King Good Tukwila Allentown PM2.5 11 PM 41
Snohomish No Index Tulalip-Totem Beach Rd PM2.5 11 PM ----
Okanogan Moderate Twisp-S Lincoln St PM2.5 11 PM 62
Yakima Moderate Union Gap-4th St PM2.5 11 PM 60
Clark Good Vancouver NE 84th Ave PM2.5 11 PM 21
Clark Good Vancouver-Blairmont Dr PM2.5 11 PM 32
Walla Walla Good Walla Walla-12th St PM2.5 11 PM 36
Stevens Moderate Wellpinit-Spokane Tribe PM2.5 11 PM 54
Chelan Moderate Wenatchee-Fifth St PM2.5 11 PM 69
Chelan Moderate Wenatchee-Methow St PM2.5 11 PM 57
Klickitat Moderate White Salmon-N Main Ave PM2.5 11 PM 52
Okanogan Moderate Winthrop-Chewuch Rd PM2.5 11 PM 57
Clark Good Yacolt-Yacolt Rd PM2.5 11 PM 31
Yakima Moderate Yakima-4th Ave PM2.5 11 PM 66
Thurston No Index Yelm-Bald Hill Rd SE PM2.5 11 PM ----