Site	State	PM AQI* (ug/m3)
Spokane-Monroe St.	WA	36
Colbert-Greenbluff	WA	30
Ritzville-Alder St	WA	28
Spokane-Augusta Ave	WA	27
Sunnyside-S 16th	WA	25
Spokane-E Broadway Ave (US)	WA	18
Walla Walla-12th St	WA	18
Moses Lake-Balsam St	WA	18
Pendleton - McKay Creek	OR	17
Wellpinit-Spokane Tribe	WA	17