Site	State	PM AQI* (ug/m3)
Ellensburg-Ruby St	WA	19
Leavenworth-Evans St	WA	16
Twisp-Glover St	WA	15
Oakridge - Willamette Activ...	OR	15
Shady Cove - Shady Cove School	OR	12
Burns - Washington St.	OR	12
Omak-Colville Tribe	WA	12
Wenatchee-Fifth St	WA	12
The Dalles - Cherry Heights	OR	12
Yakima-4th Ave	WA	11