Site

State

PM AQI* (ug/m3)

Chelan-Woodin Ave

WA

27

Wellpinit-Spokane Tribe

WA

8

John Day Dayton St

OR

7

Omak-Colville Tribe

WA

7

La Pine Rural Fire Dept

OR

6

Toppenish-Yakama Tribe

WA

5

Marysville-7th Ave

WA

5

Colbert-Greenbluff

WA

5

Seattle-South Park

WA

5

Roseburg Fire Dept

OR

5