Site	State	PM AQI* (ug/m3)
Maple Falls-Azure Way	WA	22
Darrington-Fir St	WA	15
Marysville-7th Ave	WA	13
Custer-Loomis (SO-AQS)	WA	12
Colville-E 1st St	WA	11
John Day Dayton St	OR	11
Twisp-Glover St	WA	10
Seattle-South Park	WA	9
Grants Pass - Parkside School	OR	9
Seattle-Duwamish	WA	9