Site	State	PM AQI* (ug/m3)
Maple Falls-Azure Way	WA	24
Yakima-4th Ave	WA	22
Toppenish-Yakama Tribe	WA	19
Sunnyside-S 16th	WA	18
Ellensburg-Ruby St	WA	17
Colville-E 1st St	WA	15
Madras - Westside School	OR	14
Klamath Falls - Peterson Sc...	OR	14
Lakeview - Center & M	OR	14
Cave Junction Forest Service	OR	14