Site	State	AQI*
Maple Falls-Azure Way	WA	27
Darrington-Fir St	WA	22
Colville-E 1st St	WA	19
Klamath Falls - Peterson Sc...	OR	17
Vancouver-NE 84th Ave	WA	15
Hillsboro - Hare Field	OR	15
Tacoma-L St	WA	15
Portland - SE Lafayette	OR	14
Twisp-Glover St	WA	13
Lake Forest Park-Town Center	WA	13