Air Quality Telemetry System

AQI 24HR Summary

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Monday, 3/31/2025
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 22
Spokane Good Airway Heights-W 12th Ave PM2.5 11 PM 6
Skagit Good Anacortes 202 O Avenue O3 11 PM 38
Skagit Good Anacortes-Bartholomew Rd PM2.5 11 PM 38
King Good Auburn-29th Street PM2.5 (NPM25) 11 PM 22
King Good Bellevue-SE 12th St PM2.5 11 PM 6
Whatcom Good Bellingham-Pacific St PM2.5 11 PM 7
Kitsap Good Bremerton-Spruce Ave PM2.5 11 PM 11
Okanogan Good Brewster PM2.5 11 PM 8
Walla Walla Good Burbank-Maple St PM10 11 PM 7
Chelan Good Cashmere PM2.5 11 PM 19
Wahkiakum Good Cathlamet PM2.5 11 PM 18
Lewis Good Chehalis-Market Blvd PM2.5 11 PM 13
Chelan Good Chelan-Woodin Ave PM2.5 11 PM 7
Spokane Good Cheney-Turnbull PM2.5 11 PM 4
Asotin Good Clarkston-13th St PM2.5 11 PM 13
Kittitas Good Cle Elum PM2.5 11 PM 1
Spokane Good Colbert-Greenbluff Rd PM2.5 11 PM 17
Stevens Good Colville-E 1st St PM2.5 11 PM 11
Whatcom Good Custer-Loomis O3 11 PM 36
Snohomish Good Darrington-Fir St PM2.5 11 PM 33
Lincoln Good Davenport PM2.5 11 PM 8
Columbia Good Dayton-W Main St PM2.5 11 PM 15
King Good Des Moines-S 240th St PM2.5 11 PM 11
Douglas Good East Wenatchee-8th St NE PM2.5 11 PM 12
Kittitas Good Ellensburg-Discovery Hall PM2.5 11 PM 1
Kittitas Good Ellensburg-Mountain View Ave PM2.5 11 PM 2
Kittitas Good Ellensburg-N Cora St PM2.5 11 PM 1
Kittitas Good Ellensburg-Ruby St PM2.5 11 PM 0
King Good Enumclaw-Mud Mtn. PM2.5 11 PM 3
Snohomish Good Everett-12th St PM2.5 11 PM 7
Snohomish Good Everett-Beverly Park Rd PM2.5 11 PM 18
Snohomish Good Everett-Rucker Ave PM2.5 11 PM 8
Benton Good Finley-S Finley Rd PM2.5 11 PM 7
Clallam Moderate Forks-Tillicum Ln PM2.5 11 PM 64
Grant Good George PM2.5 11 PM 2
Klickitat Good Goldendale-W Court St PM2.5 11 PM 8
King Good Issaquah-Lake Sammamish PM2.5 11 PM 6
Benton Good Kennewick-Metaline PM2.5 11 PM 7
Benton Good Kennewick-S Steptoe St PM2.5 11 PM 7
Thurston Good Lacey-College St PM2.5 11 PM 18
Whitman Good LaCrosse-Hill St PM2.5 11 PM 4
King Good Lake Forest Park-Town Center PM2.5 11 PM 12
Chelan Good Leavenworth-Evans St PM2.5 11 PM 22
Cowlitz Good Longview-30th Ave PM2.5 11 PM 13
Okanogan Good Malott PM2.5 11 PM 24
Whatcom Good Maple Falls - Azure Way PM2.5 11 PM 29
Snohomish Good Marysville-7th Ave PM2.5 11 PM 35
Grant Good Mattawa Wahluke High School PM2.5 11 PM 2
Franklin Good Mesa-Pepiot Way PM2.5 11 PM 8
Grant Good Moses Lake-Balsam St PM2.5 11 PM 11
Yakima Good Moxee-E Seattle Ave PM2.5 11 PM 23
Pierce Good Mt Rainier-Jackson Visitors Ctr O3 11 PM 40
Skagit Good Mt Vernon-S Second St PM2.5 11 PM 5
Clallam Good Neah Bay 2-Makah Tribe PM2.5 11 PM 26
Pend Oreille Good Newport-Calispel PM2.5 11 PM 16
King Good North Bend-North Bend Way PM2.5 11 PM 4
Island Good Oak Harbor-SW 6th PM2.5 11 PM 11
Okanogan Good Omak-Colville Tribe PM2.5 11 PM 3
Skagit Good Padilla Bay PM2.5 11 PM 10
Garfield Good Pomeroy-Pataha St PM2.5 11 PM 8
Clallam Good Port Angeles- E 5th St PM2.5 11 PM 34
Jefferson Good Port Townsend-San Juan Ave PM2.5 11 PM 17
Benton Good Prosser-Highland Dr PM2.5 11 PM 8
Whitman Good Pullman-Dexter SE PM2.5 11 PM 10
Pierce Good Puyallup-Pioneer Way E PM2.5 11 PM 13
Grant Good Quincy-3rd Ave NE PM2.5 11 PM 3
Pacific Good Raymond-4th St PM2.5 11 PM 14
Ferry Good Republic PM2.5 11 PM 42
Adams Good Ritzville-Alder St PM2.5 11 PM 7
Whitman Good Rosalia-Josephine St PM2.5 11 PM 6
Grant Good Royal City PM2.5 11 PM 2
King Good Seattle-10th & Weller PM2.5 11 PM 14
King Good Seattle-16th Ave S PM2.5 11 PM 8
King Good Seattle-23rd Ave SW PM2.5 11 PM 11
King Good Seattle-Beacon Hill O3 11 PM 31
King Good Seattle-College Way N PM2.5 11 PM 6
King Good Seattle-Duwamish PM2.5 11 PM 28
King Good Seattle-Linden Ave N PM2.5 11 PM 7
King Good Seattle-NE 127th St PM2.5 11 PM 7
King Good Seattle-S Myrtle St PM2.5 11 PM 8
King Good Seattle-South Park PM2.5 11 PM 18
Mason Good Shelton-W Franklin PM2.5 11 PM 11
Grant Good Soap Lake-4th Ave SE PM2.5 11 PM 4
Spokane Good Spokane Valley-E Broadway Ave PM2.5 11 PM 10
Spokane Good Spokane Valley-E Buckeye Ave PM2.5 11 PM 10
Spokane Good Spokane Valley-E Wellesley Ave PM2.5 11 PM 6
Spokane Good Spokane Valley-N Pines Rd PM2.5 11 PM 7
Spokane Good Spokane-Augusta Ave PM2.5 11 PM 20
Spokane Good Spokane-E Garland Ave PM2.5 11 PM 8
Spokane Good Spokane-E Joseph Ave PM2.5 11 PM 9
Spokane Good Spokane-E Sprague Ave PM2.5 11 PM 3
Spokane Good Spokane-E Stonewall Ave PM2.5 11 PM 9
Spokane Good Spokane-E Thurston Ave PM2.5 11 PM 6
Spokane Good Spokane-Greenbluff PM2.5 11 PM 9
Spokane Good Spokane-Monroe St PM2.5 11 PM 12
Spokane Good Spokane-N Howard St PM2.5 11 PM 7
Spokane Good Spokane-N Perry St PM2.5 11 PM 9
Spokane Good Spokane-S Pittsburg St PM2.5 11 PM 5
Skamania Good Stevenson PM2.5 11 PM 6
Yakima Good Sunnyside-S 16th St PM2.5 11 PM 8
Pierce Good Tacoma-Alexander Ave PM2.5 11 PM 19
Pierce Good Tacoma-L Street PM2.5 11 PM 19
Pierce Good Tacoma-S 36th St NO2 11 PM 18
Pierce Good Tacoma-S Adams St PM2.5 11 PM 11
Okanogan Good Tonasket PM2.5 11 PM 34
Yakima Good Toppenish-Yakama Tribe PM2.5 11 PM 27
King Good Tukwila Allentown PM2.5 11 PM 22
Okanogan Good Twisp-S Lincoln St PM2.5 11 PM 38
Yakima Good Union Gap-4th St PM2.5 11 PM 17
Clark Good Vancouver NE 84th Ave PM2.5 11 PM 10
Clark Good Vancouver-Blairmont Dr PM2.5 11 PM 15
Walla Walla Good Walla Walla-12th St PM2.5 11 PM 7
Stevens Good Wellpinit-Spokane Tribe PM2.5 11 PM 27
Chelan Good Wenatchee-Fifth St PM2.5 11 PM 21
Chelan Good Wenatchee-Methow St PM2.5 11 PM 10
Klickitat Good White Salmon-N Main Ave PM2.5 11 PM 8
Okanogan Good Winthrop-Chewuch Rd PM2.5 11 PM 12
Clark Good Yacolt-Yacolt Rd PM2.5 11 PM 11
Yakima Good Yakima-4th Ave PM10 11 PM 6