Site	State	PM AQI* (ug/m3)
The Dalles - Cherry Heights	OR	25
Sunnyside-S 16th	WA	25
Yakima-4th Ave	WA	23
Toppenish-Yakama Tribe	WA	22
Omak-Colville Tribe	WA	16
Burns - Washington St.	OR	15
Ellensburg-Ruby St	WA	14
Cle Elum Mobile	WA	13
Colville-E 1st St	WA	12
Leavenworth-Evans St	WA	11