Site	State	PM AQI* (ug/m3)
Colville-E 1st St	WA	15
Klamath Falls - Peterson Sc...	OR	14
Omak-Colville Tribe	WA	12
Colbert-Greenbluff	WA	11
John Day Dayton St	OR	11
Spokane-Augusta Ave	WA	10
Burns - Washington St.	OR	10
Sweet Home - Fire Department	OR	10
Twisp-Glover St	WA	10
Spokane-E Broadway Ave (US)	WA	9