Site	State	PM AQI* (ug/m3)
Yakima-4th Ave	WA	22
Portland - SE Lafayette	OR	21
Sunnyside-S 16th	WA	20
Toppenish-Yakama Tribe	WA	19
Lakeview - Center & M	OR	19
Pendleton - McKay Creek	OR	18
Omak-Colville Tribe	WA	17
Madras - Westside School	OR	15
Winthrop-Chewuch Rd	WA	15
Medford Welch & Jackson	OR	15