Site	State	PM AQI* (ug/m3)
Sunnyside-S 16th	WA	19
Clarkston-13th St	WA	18
Spokane-Monroe St.	WA	17
Spokane-Augusta Ave	WA	16
Spokane-E Broadway Ave (US)	WA	16
Colbert-Greenbluff	WA	13
Rosalia-Josephine St	WA	13
Colville-E 1st St	WA	12
Wellpinit-Spokane Tribe	WA	12
Kennewick-Metaline	WA	12