Site

State

PM AQI* (ug/m3)

Burns - Washington St.

OR

13

John Day Dayton St

OR

8

Seattle-10th & Weller

WA

7

Seattle-Duwamish

WA

7

Seattle-South Park

WA

7

Colville-E 1st St

WA

7

Port Angeles-E 5th St

WA

6

Enterprise - US Forest Service

OR

6

Spokane-Augusta Ave

WA

6

Spokane-E Broadway Ave (US)

WA

6