Site	State	PM AQI* (ug/m3)
Omak-Colville Tribe	WA	27
Maple Falls-Azure Way	WA	24
Lyons	OR	23
Dallas LaCreole Middle School	OR	19
Florence-Department of Fore...	OR	19
Winthrop-Chewuch Rd	WA	19
Portland - SE Lafayette	OR	17
Klamath Falls - Peterson Sc...	OR	15
Colville-E 1st St	WA	15
Portland Humboldt School	OR	15