Site	State	PM AQI* (ug/m3)
Maple Falls-Azure Way	WA	22
Klamath Falls - Peterson Sc...	OR	21
Sunnyside-S 16th	WA	19
Burns - Washington St.	OR	19
Marysville-7th Ave	WA	18
John Day Dayton St	OR	18
Darrington-Fir St	WA	18
Lake Forest Park-Town Center	WA	16
Tacoma-L St	WA	15
Ontario May Roberts Element...	OR	14