Site	State	PM AQI* (ug/m3)
Yakima-4th Ave	WA	13
Klamath Falls - Peterson Sc...	OR	10
Shady Cove - Shady Cove School	OR	10
Toppenish-Yakama Tribe	WA	9
Grants Pass - Parkside School	OR	9
Sunnyside-S 16th	WA	9
Oakridge - Willamette Activ...	OR	8
Enterprise - US Forest Service	OR	8
White Swan-Yakama Tribe	WA	7
Colville-E 1st St	WA	7