Site	State	AQI*
Toppenish-Yakama Tribe	WA	26
Yakima-4th Ave	WA	23
Marysville-7th Ave	WA	23
Clarkston-13th St	WA	21
Klamath Falls - Peterson Sc...	OR	19
Madras - Westside School	OR	19
Lakeview - Center & M	OR	19
John Day Dayton St	OR	18
Colville-E 1st St	WA	17
Twisp-Glover St	WA	17