Site	State	PM AQI* (ug/m3)
Maple Falls-Azure Way	WA	42
Yakima-4th Ave	WA	22
Darrington-Fir St	WA	22
Omak-Colville Tribe	WA	19
Prineville - Davidson Park	OR	18
Toppenish-Yakama Tribe	WA	18
Clarkston-13th St	WA	16
John Day Dayton St	OR	15
Leavenworth-Evans St	WA	15
Port Angeles-E 5th St	WA	15