Site	State	PM AQI* (ug/m3)
Winthrop-17958 State Route 20	WA	180
Winthrop-Chewuch Rd	WA	176
Omak-Colville Tribe	WA	58
Twisp-Ewell St	WA	51
Colville-E 1st St	WA	38
Klamath Falls - Peterson Sc...	OR	35
Wellpinit-Spokane Tribe	WA	34
Lakeview - Center & M	OR	33
Enterprise - US Forest Service	OR	26
Oroville-1117 Main St	WA	25