AQI 24HR Summary
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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 | 11 |
| Spokane | Good | Airway Heights-W 12th Ave | PM2.5 | 11 PM | 31 |
| Skagit | Good | Anacortes 202 O Avenue | PM2.5 | 11 PM | 28 |
| Skagit | Good | Anacortes-Bartholomew Rd | PM2.5 | 11 PM | 26 |
| King | Good | Auburn-29th Street | PM2.5 (NPM25) | 11 PM | 23 |
| King | Good | Bellevue-SE 12th St | PM2.5 | 11 PM | 10 |
| Whatcom | Good | Bellingham-Pacific St | PM2.5 | 11 PM | 35 |
| Kitsap | Good | Bremerton-Spruce Ave | PM2.5 | 11 PM | 8 |
| Okanogan | Good | Brewster | PM2.5 | 11 PM | 11 |
| Walla Walla | Good | Burbank-Maple St | PM10 | 11 PM | 26 |
| Chelan | Good | Cashmere | PM2.5 | 11 PM | 6 |
| Wahkiakum | Good | Cathlamet | PM2.5 | 11 PM | 5 |
| Clallam | Good | Cheeka Peak | O3 | 11 PM | 26 |
| Lewis | Good | Chehalis-Market Blvd | PM2.5 | 11 PM | 14 |
| Chelan | Good | Chelan-Woodin Ave | PM2.5 | 11 PM | 17 |
| Asotin | Good | Clarkston-13th St | PM2.5 | 11 PM | 32 |
| Kittitas | Good | Cle Elum | PM2.5 | 11 PM | 11 |
| Spokane | Good | Colbert-Greenbluff Rd | PM2.5 | 11 PM | 47 |
| Stevens | Good | Colville-E 1st St | PM2.5 | 11 PM | 18 |
| Whatcom | Good | Custer-Loomis | O3 | 11 PM | 26 |
| Snohomish | Good | Darrington-Fir St | PM2.5 | 11 PM | 39 |
| Lincoln | Good | Davenport | PM2.5 | 11 PM | 7 |
| Columbia | Good | Dayton-W Main St | PM2.5 | 11 PM | 21 |
| Kittitas | Good | Ellensburg-Discovery Hall | PM2.5 | 11 PM | 7 |
| Kittitas | Good | Ellensburg-Mountain View Ave | PM2.5 | 11 PM | 8 |
| Kittitas | Good | Ellensburg-Ruby St | PM2.5 | 11 PM | 33 |
| King | Good | Enumclaw-Mud Mtn. | PM2.5 | 11 PM | 8 |
| Whatcom | Good | Ferndale-Kickerville Road | SO2 | 11 PM | 0 |
| Whatcom | Good | Ferndale-Mountain View Rd | SO2 | 11 PM | 0 |
| Benton | Good | Finley-S Finley Road | PM2.5 | 11 PM | 9 |
| Grant | Good | George | PM2.5 | 11 PM | 7 |
| Klickitat | Good | Goldendale-W Court St | PM2.5 | 11 PM | 5 |
| Benton | Good | Kennewick-Metaline | PM10 | 11 PM | 27 |
| Whitman | Good | LaCrosse-Hill St | PM2.5 | 11 PM | 27 |
| King | Good | Lake Forest Park-Town Center | PM2.5 | 11 PM | 24 |
| Chelan | Good | Leavenworth-Evans St | PM2.5 | 11 PM | 19 |
| Cowlitz | Good | Longview-30th Ave | PM2.5 | 11 PM | 11 |
| Whatcom | Good | Maple Falls - Azure Way | PM2.5 | 11 PM | 16 |
| Snohomish | Moderate | Marysville-7th Ave | PM2.5 | 11 PM | 53 |
| Grant | Good | Mattawa Wahluke High School | PM2.5 | 11 PM | 5 |
| Franklin | Good | Mesa-Pepiot Way | PM2.5 | 11 PM | 21 |
| Grant | Good | Moses Lake-Balsam St | PM2.5 | 11 PM | 31 |
| Yakima | Good | Moxee–E Seattle Ave | PM2.5 | 11 PM | 8 |
| Pierce | Good | Mt Rainier-Jackson Visitors Ctr | O3 | 11 PM | 24 |
| Skagit | Good | Mt Vernon-S Second St | PM2.5 | 11 PM | 22 |
| Clallam | Good | Neah Bay 2-Makah Tribe | PM2.5 | 11 PM | 13 |
| Pend Oreille | Good | Newport-Calispel | PM2.5 | 11 PM | 12 |
| King | Good | North Bend-North Bend Way | PM2.5 | 11 PM | 23 |
| Island | Good | Oak Harbor-SW 6th | PM2.5 | 11 PM | 13 |
| Okanogan | Good | Omak-Colville Tribe | PM2.5 | 11 PM | 30 |
| Skagit | Good | Padilla Bay | PM2.5 | 11 PM | 8 |
| Garfield | Good | Pomeroy-Pataha St | PM2.5 | 11 PM | 21 |
| Clallam | Good | Port Angeles- E 5th St | PM2.5 | 11 PM | 23 |
| Jefferson | Good | Port Townsend-San Juan Ave | PM2.5 | 11 PM | 24 |
| Benton | Good | Prosser-Highland Dr | PM2.5 | 11 PM | 26 |
| Whitman | Good | Pullman-Dexter SE | PM2.5 | 11 PM | 28 |
| Grant | Good | Quincy-3rd Ave NE | PM2.5 | 11 PM | 13 |
| Pacific | Good | Raymond-4th St | PM2.5 | 11 PM | 14 |
| Ferry | Good | Republic | PM2.5 | 11 PM | 14 |
| Adams | Good | Ritzville-Alder St | PM2.5 | 11 PM | 23 |
| Whitman | Good | Rosalia-Josephine St | PM2.5 | 11 PM | 27 |
| Grant | Good | Royal City | PM2.5 | 11 PM | 7 |
| King | Good | Seattle-10th & Weller | NO2 | 11 PM | 7 |
| King | Good | Seattle-16th Ave S | PM2.5 | 11 PM | 12 |
| King | Good | Seattle-Beacon Hill | PM2.5 | 11 PM | 27 |
| King | Good | Seattle-College Way N | PM2.5 | 11 PM | 11 |
| King | Good | Seattle-Duwamish | PM2.5 | 11 PM | 29 |
| King | Good | Seattle-South Park | PM2.5 | 11 PM | 35 |
| Mason | Good | Shelton-W Franklin | PM2.5 | 11 PM | 8 |
| Grant | Good | Soap Lake-4th Ave SE | PM2.5 | 11 PM | 22 |
| Spokane | Good | Spokane Valley-E Broadway Ave | PM2.5 | 11 PM | 31 |
| Spokane | Good | Spokane Valley-E Buckeye Ave | PM2.5 | 11 PM | 10 |
| Spokane | Good | Spokane Valley-E Wellesley Ave | PM2.5 | 11 PM | 7 |
| Spokane | Good | Spokane Valley-N Pines Rd | PM2.5 | 11 PM | 10 |
| Spokane | Good | Spokane-Augusta Ave | PM2.5 | 11 PM | 41 |
| Spokane | Good | Spokane-E Garland Ave | PM2.5 | 11 PM | 10 |
| Spokane | Good | Spokane-E Joseph Ave | PM2.5 | 11 PM | 9 |
| Spokane | Good | Spokane-E Sprague Ave | PM2.5 | 11 PM | 34 |
| Spokane | Good | Spokane-E Stonewall Ave | PM2.5 | 11 PM | 9 |
| Spokane | Good | Spokane-Monroe St | PM2.5 | 11 PM | 24 |
| Spokane | Good | Spokane-N Howard St | PM2.5 | 11 PM | 9 |
| Spokane | Good | Spokane-N Perry St | PM2.5 | 11 PM | 9 |
| Spokane | Good | Spokane-S Pittsburg St | PM2.5 | 11 PM | 12 |
| Skamania | Good | Stevenson | PM2.5 | 11 PM | 4 |
| Yakima | Good | Sunnyside-S 16th St | PM2.5 | 11 PM | 22 |
| Pierce | Good | Tacoma-Alexander Ave | PM2.5 | 11 PM | 31 |
| Pierce | Good | Tacoma-L Street | PM2.5 | 11 PM | 5 |
| Pierce | Good | Tacoma-S 36th St | PM2.5 | 11 PM | 19 |
| Yakima | Moderate | Toppenish-Yakama Tribe | PM2.5 | 11 PM | 53 |
| King | Good | Tukwila Allentown | PM2.5 | 11 PM | 33 |
| Snohomish | Good | Tulalip-Totem Beach Rd | PM2.5 | 11 PM | 7 |
| Okanogan | Good | Twisp-S Lincoln St | PM2.5 | 11 PM | 27 |
| Clark | Good | Vancouver NE 84th Ave | PM2.5 | 11 PM | 19 |
| Walla Walla | Good | Walla Walla-12th St | PM2.5 | 11 PM | 27 |
| Stevens | Good | Wellpinit-Spokane Tribe | PM2.5 | 11 PM | 17 |
| Chelan | Good | Wenatchee-Fifth St | PM2.5 | 11 PM | 28 |
| Okanogan | Good | Winthrop-Chewuch Rd | PM2.5 | 11 PM | 24 |
| Clark | Good | Yacolt-Yacolt Rd | PM2.5 | 11 PM | 17 |
| Yakima | Good | Yakima-4th Ave | PM2.5 | 11 PM | 34 |
