Site	State	PM AQI* (ug/m3)
Maple Falls-Azure Way	WA	25
John Day Dayton St	OR	22
Darrington-Fir St	WA	21
Omak-Colville Tribe	WA	19
Clarkston-13th St	WA	18
White Swan-Yakama Tribe	WA	16
Hermiston - Municipal Airport	OR	16
Toppenish-Yakama Tribe	WA	15
Prineville - Davidson Park	OR	15
Yakima-4th Ave	WA	15