Site	State	AQI*
Portland - SE Lafayette	OR	27
Klamath Falls - Peterson Sc...	OR	26
Yakima-4th Ave	WA	26
Salem - State Hospital	OR	25
Tacoma-L St	WA	25
Hillsboro - Hare Field	OR	24
Maple Falls-Azure Way	WA	22
Twisp-Glover St	WA	21
Madras - Westside School	OR	21
John Day Dayton St	OR	20