Site	State	PM AQI* (ug/m3)
Maple Falls-Azure Way	WA	23
Clarkston-13th St	WA	22
Colville-E 1st St	WA	15
Twisp-Glover St	WA	13
Burns - Washington St.	OR	13
Marysville-7th Ave	WA	13
Toppenish-Yakama Tribe	WA	12
Prineville - Davidson Park	OR	12
Yakima-4th Ave	WA	12
John Day Dayton St	OR	11