Site	State	PM AQI* (ug/m3)
Burns - Washington St.	OR	16
Yakima-4th Ave	WA	14
The Dalles - Cherry Heights	OR	13
John Day Dayton St	OR	13
Twisp-Glover St	WA	13
Colville-E 1st St	WA	13
Omak-Colville Tribe	WA	12
Toppenish-Yakama Tribe	WA	11
Maple Falls-Azure Way	WA	11
Baker City - Forest Service	OR	11