Site	State	PM AQI* (ug/m3)
Omak-Colville Tribe	WA	22
Cave Junction Forest Service	OR	17
Toppenish-Yakama Tribe	WA	17
Burns - Washington St.	OR	16
Grants Pass - Parkside School	OR	15
Colville-E 1st St	WA	15
Twisp-Glover St	WA	14
Provolt - Seed Orchard	OR	13
Spokane-E Broadway Ave (US)	WA	13
Medford Welch & Jackson	OR	13