Site	State	PM AQI* (ug/m3)
Maple Falls-Azure Way	WA	29
Darrington-Fir St	WA	25
Medford Welch & Jackson	OR	25
Marysville-7th Ave	WA	23
Tacoma-L St	WA	23
Oakridge - Willamette Activ...	OR	23
Colville-E 1st St	WA	21
Eugene - Amazon Park	OR	19
Lacey-College St	WA	18
Lakeview - Center & M	OR	18