Site	State	PM AQI* (ug/m3)
Burns - Washington St.	OR	22
Omak-Colville Tribe	WA	20
Prineville - Davidson Park	OR	16
Winthrop-Chewuch Rd	WA	16
John Day Dayton St	OR	15
Leavenworth-Evans St	WA	14
Clarkston-13th St	WA	14
Twisp-Glover St	WA	14
Portland - SE Lafayette	OR	12
Salem - State Hospital	OR	11