Site	State	PM AQI* (ug/m3)
Klamath Falls - Peterson Sc...	OR	23
Omak-Colville Tribe	WA	17
Lakeview - Center & M	OR	14
Colville-E 1st St	WA	13
Tacoma-Alexander Ave	WA	12
Burns - Washington St.	OR	12
Colbert-Greenbluff	WA	11
Sunnyside-S 16th	WA	11
Airway Heights-West 12th (US)	WA	10
Spokane-E Broadway Ave	WA	10