Site	State	PM AQI* (ug/m3)
Yakima-4th Ave	WA	20
Ellensburg-Ruby St	WA	17
Toppenish-Yakama Tribe	WA	17
Colville-E 1st St	WA	16
Burns - Washington St.	OR	16
Cave Junction Forest Service	OR	15
The Dalles - Cherry Heights	OR	15
Sunnyside-S 16th	WA	14
Twisp-Glover St	WA	14
Clarkston-13th St	WA	14