Site

State

PM AQI* (ug/m3)

Omak-Colville Tribe

WA

12

Kent-James & Central

WA

11

Sunnyside-S 16th

WA

9

Colbert-Greenbluff

WA

8

Spokane-Augusta Ave

WA

8

Marysville-7th Ave

WA

8

Spokane-E Broadway Ave

WA

7

Tacoma-S 36th St

WA

7

Tukwila_Allentown

WA

7

Bend - Pump Station

OR

7