Site	State	PM AQI* (ug/m3)
Colville-E 1st St	WA	15
Lyons	OR	14
Maple Falls-Azure Way	WA	14
Vancouver-NE 84th Ave	WA	14
Portland - SE Lafayette	OR	13
Marysville-7th Ave	WA	13
John Day Dayton St	OR	12
Madras - Westside School	OR	12
Spokane-Augusta Ave	WA	12
Omak-Colville Tribe	WA	11