Site	State	PM AQI* (ug/m3)
Sunnyside-S 16th	WA	42
Toppenish-Yakama Tribe	WA	35
Walla Walla-12th St	WA	32
Yakima-4th Ave	WA	32
Pendleton - McKay Creek	OR	28
Clarkston-13th St	WA	28
White Swan-Yakama Tribe	WA	26
Lyons	OR	22
Kennewick-Metaline	WA	21
Leavenworth-Evans St	WA	21