Site	State	PM AQI* (ug/m3)
Maple Falls-Azure Way	WA	36
Omak-Colville Tribe	WA	28
Darrington-Fir St	WA	22
Sunnyside-S 16th	WA	20
Colville-E 1st St	WA	19
Yakima-4th Ave	WA	18
John Day Dayton St	OR	18
Clarkston-13th St	WA	18
Ellensburg-Ruby St	WA	13
Burns - Washington St.	OR	13