Site	State	PM AQI* (ug/m3)
Yakima-4th Ave	WA	41
Toppenish-Yakama Tribe	WA	37
Sunnyside-S 16th	WA	23
White Swan-Yakama Tribe	WA	21
Darrington-Fir St	WA	21
Sweet Home - Fire Department	OR	21
John Day Dayton St	OR	18
Leavenworth-Evans St	WA	17
Maple Falls-Azure Way	WA	17
Ellensburg-Ruby St	WA	16