Site

State

PM AQI* (ug/m3)

Chelan-Woodin Ave

WA

13

Cove - City Hall

OR

7

Colville-E 1st St

WA

6

Spokane-E Broadway Ave (US)

WA

6

Omak-Colville Tribe

WA

6

Colbert-Greenbluff

WA

6

Sunnyside-S 16th

WA

6

Baker City - Forest Service

OR

6

Clarkston-13th St

WA

6

Enterprise - US Forest Service

OR

5