Site	State	PM AQI* (ug/m3)
Madras - Westside School	OR	19
Maple Falls-Azure Way	WA	19
Colville-E 1st St	WA	19
Prineville - Davidson Park	OR	17
Darrington-Fir St	WA	17
Oakridge - Willamette Activ...	OR	17
Spokane-Augusta Ave	WA	15
Pendleton - McKay Creek	OR	15
Grants Pass - Parkside School	OR	15
Omak-Colville Tribe	WA	14