Site

State

PM AQI* (ug/m3)

John Day Dayton St

OR

10

Clarkston-13th St

WA

9

Maple Falls-Azure Way

WA

9

Auburn 29th St

WA

8

Seattle-South Park

WA

8

La Pine Rural Fire Dept

OR

7

Seattle-10th & Weller

WA

7

Bellingham Pacific

WA

6

Colbert-Greenbluff

WA

6

Seattle-Duwamish

WA

6