Site	State	AQI*
Colville-E 1st St	WA	24
Twisp-Glover St	WA	22
Madras - Westside School	OR	20
Yakima-4th Ave	WA	19
The Dalles - Cherry Heights	OR	18
Sunnyside-S 16th	WA	17
Burns - Washington St.	OR	17
Klamath Falls - Peterson Sc...	OR	17
Clarkston-13th St	WA	15
John Day Dayton St	OR	14