Site	State	PM AQI* (ug/m3)
Omak-Colville Tribe	WA	53
Enterprise - US Forest Service	OR	43
Klamath Falls - Peterson Sc...	OR	38
Twisp-Ewell St	WA	36
Clarkston-13th St	WA	35
Wellpinit-Spokane Tribe	WA	33
Winthrop-Chewuch Rd	WA	33
Colville-E 1st St	WA	31
Airway Heights-West 12th (US)	WA	26
Spokane-Augusta Ave	WA	26