Site	State	PM AQI* (ug/m3)
Sunnyside-S 16th	WA	17
Clarkston-13th St	WA	16
Spokane-Augusta Ave	WA	15
Omak-Colville Tribe	WA	14
Wenatchee-Fifth St	WA	13
Winthrop-Chewuch Rd	WA	12
Chelan-Woodin Ave	WA	12
La Grande Hall & N Sts	OR	12
Colbert-Greenbluff	WA	11
Spokane-E Broadway Ave (US)	WA	11