Site	State	PM AQI* (ug/m3)
Maple Falls-Azure Way	WA	32
Toppenish-Yakama Tribe	WA	24
Yakima-4th Ave	WA	20
Sunnyside-S 16th	WA	19
Oakridge - Willamette Activ...	OR	19
Ellensburg-Ruby St	WA	18
Colville-E 1st St	WA	16
Cottage Grove City Shops	OR	15
Madras - Westside School	OR	14
Klamath Falls - Peterson Sc...	OR	14