Site

State

PM AQI* (ug/m3)

Enterprise - US Forest Service

OR

47

Klamath Falls - Peterson Sc...

OR

37

Clarkston-13th St

WA

33

Omak-Colville Tribe

WA

27

Lakeview - Center & M

OR

26

Crater Lake Rim

OR

23

Pomeroy-Pataha St

WA

22

Twisp-Ewell St

WA

21

Bend - Pump Station

OR

21

Colville-E 1st St

WA

21