Site	State	PM AQI* (ug/m3)
Toppenish-Yakama Tribe	WA	23
Sunnyside-S 16th	WA	19
Colville-E 1st St	WA	16
The Dalles - Cherry Heights	OR	16
Ellensburg-Ruby St	WA	16
Kennewick-Metaline	WA	16
Yakima-4th Ave	WA	16
Pendleton - McKay Creek	OR	15
Marysville-7th Ave	WA	14
Dayton-W Main	WA	14