Site

State

PM AQI* (ug/m3)

Marysville-7th Ave

WA

12

John Day Dayton St

OR

12

Kent-James & Central

WA

11

Anacortes-202 Ave (SO-AQS)

WA

10

Maple Falls-Azure Way

WA

10

Seattle-Duwamish

WA

10

Tukwila_Allentown

WA

10

Sunnyside-S 16th

WA

10

Tacoma-S 36th St

WA

9

Vancouver-NE 84th Ave

WA

9