Site	State	PM AQI* (ug/m3)
Marysville-7th Ave	WA	23
Tacoma-L St	WA	19
Eugene - Amazon Park	OR	18
Lyons	OR	18
Maple Falls-Azure Way	WA	17
Klamath Falls - Peterson Sc...	OR	16
Seattle-Duwamish	WA	15
Eugene - Highway 99	OR	15
Puyallup-128th St	WA	14
Tukwila_Allentown	WA	14