Site	State	PM AQI* (ug/m3)
Silver Lake	OR	28
Burns - Washington St.	OR	27
Winthrop-Chewuch Rd	WA	25
Clarkston-13th St	WA	23
Lakeview - Center & M	OR	23
Bly-61100 Highway 140 E	OR	21
Twisp-Ewell St	WA	18
Pullman-Dexter Ave	WA	16
Enterprise - US Forest Service	OR	15
Colville-E 1st St	WA	14