Site

State

PM AQI* (ug/m3)

Seattle-South Park

WA

6

Omak-Colville Tribe

WA

6

Seattle-10th & Weller

WA

6

John Day Dayton St

OR

5

Seattle-Duwamish

WA

5

Lyons

OR

5

Maple Falls-Azure Way

WA

5

Tacoma-S 36th St

WA

4

La Pine Rural Fire Dept

OR

4

Portland Near Road

OR

4