Site	State	PM AQI* (ug/m3)
The Dalles - Cherry Heights	OR	33
Burns - Washington St.	OR	16
Klamath Falls - Peterson Sc...	OR	16
Yakima-4th Ave	WA	14
John Day Dayton St	OR	13
Ellensburg-Ruby St	WA	13
Wenatchee-Fifth St	WA	13
Twisp-Glover St	WA	13
Baker City - Forest Service	OR	12
Leavenworth-Evans St	WA	12