Site	State	PM AQI* (ug/m3)
Colbert-Greenbluff	WA	21
Cave Junction Forest Service	OR	21
Spokane-Augusta Ave	WA	20
Omak-Colville Tribe	WA	18
Airway Heights-West 12th (US)	WA	17
Medford Welch & Jackson	OR	17
Colville-E 1st St	WA	17
John Day Dayton St	OR	16
Spokane-E Broadway Ave	WA	16
Toppenish-Yakama Tribe	WA	16