Site

State

PM AQI* (ug/m3)

John Day Dayton St

OR

8

Marysville-7th Ave

WA

8

Seattle-Duwamish

WA

7

Kent-James & Central

WA

7

Bellingham Pacific

WA

7

Bremerton-Spruce Ave

WA

6

Anacortes-202 Ave (SO-AQS)

WA

6

Maple Falls-Azure Way

WA

6

Seattle-South Park

WA

6

Grants Pass - Parkside School

OR

6