Site	State	PM AQI* (ug/m3)
Klamath Falls - Peterson Sc...	OR	9
Seattle-South Park	WA	7
Vancouver-NE 84th Ave	WA	7
Marysville-7th Ave	WA	7
Colville-E 1st St	WA	6
Maple Falls-Azure Way	WA	6
Portland Near Road	OR	6
Portland - SE Lafayette	OR	6
Salem - State Hospital	OR	6
Seattle-Duwamish	WA	6