Site	State	PM AQI* (ug/m3)
Maple Falls-Azure Way	WA	31
Sunnyside-S 16th	WA	26
Yakima-4th Ave	WA	23
Toppenish-Yakama Tribe	WA	21
Clarkston-13th St	WA	19
Darrington-Fir St	WA	19
La Grande Hall & N Sts	OR	16
John Day Dayton St	OR	16
Pendleton - McKay Creek	OR	16
Marysville-7th Ave	WA	15