Site	State	PM AQI* (ug/m3)
Yakima-4th Ave	WA	19
Burns - Washington St.	OR	19
Toppenish-Yakama Tribe	WA	15
The Dalles - Cherry Heights	OR	15
John Day Dayton St	OR	15
Ellensburg-Ruby St	WA	14
Pendleton - McKay Creek	OR	13
Omak-Colville Tribe	WA	13
Enterprise - US Forest Service	OR	13
Wenatchee-Fifth St	WA	12