Site

State

PM AQI* (ug/m3)

Lyons

OR

9

Sunnyside-S 16th

WA

9

Cove - City Hall

OR

9

Mill City

OR

9

Anacortes-202 Ave (SO-AQS)

WA

9

Seattle-South Park

WA

8

Seattle-Duwamish

WA

8

Custer-Loomis (SO-AQS)

WA

8

Clarkston-13th St

WA

8

Seattle-10th & Weller

WA

8