Site	State	PM AQI* (ug/m3)
Omak-Colville Tribe	WA	23
Lakeview - Center & M	OR	21
Klamath Falls - Peterson Sc...	OR	19
John Day Dayton St	OR	19
Clarkston-13th St	WA	17
Medford Welch & Jackson	OR	14
Prineville - Davidson Park	OR	12
Burns - Washington St.	OR	12
Oakridge - Willamette Activ...	OR	11
Colville-E 1st St	WA	10