Site	State	PM AQI* (ug/m3)
Omak-Colville Tribe	WA	23
Sunnyside-S 16th	WA	18
Yakima-4th Ave	WA	17
Burns - Washington St.	OR	16
Maple Falls-Azure Way	WA	14
Colville-E 1st St	WA	12
Twisp-Ewell St	WA	12
Leavenworth-Evans St	WA	11
Cottage Grove City Shops	OR	10
Oakridge - Willamette Activ...	OR	9