Site	State	PM AQI* (ug/m3)
Omak-Colville Tribe	WA	34
Sunnyside-S 16th	WA	33
Spokane-Augusta Ave	WA	31
Hillsboro - Hare Field	OR	28
Clarkston-13th St	WA	28
Spokane-E Broadway Ave (US)	WA	27
Toppenish-Yakama Tribe	WA	27
Spokane-Monroe St.	WA	24
Colbert-Greenbluff	WA	23
Forest Grove Pacific Univer...	OR	23