Site	State	PM AQI* (ug/m3)
Maple Falls-Azure Way	WA	13
Spokane-Augusta Ave	WA	11
Seattle-Duwamish	WA	11
Seattle-10th & Weller	WA	10
Spokane-Monroe St.	WA	10
Klamath Falls - Peterson Sc...	OR	10
Spokane-E Broadway Ave (US)	WA	10
Sunnyside-S 16th	WA	9
Marysville-7th Ave	WA	9
Colville-E 1st St	WA	9