Site	State	PM AQI* (ug/m3)
Twisp-Glover St	WA	19
Colville-E 1st St	WA	14
Winthrop-Chewuch Rd	WA	11
Shady Cove - Shady Cove School	OR	10
Omak-Colville Tribe	WA	10
Leavenworth-Evans St	WA	9
Wenatchee-Fifth St	WA	9
Maple Falls-Azure Way	WA	8
Darrington-Fir St	WA	8
Baker City - Forest Service	OR	8