Site	State	PM AQI* (ug/m3)
Omak-Colville Tribe	WA	25
Maple Falls-Azure Way	WA	23
Colville-E 1st St	WA	14
Forest Grove Pacific Univer...	OR	13
Cave Junction Forest Service	OR	12
Cottage Grove City Shops	OR	12
Estacada Clackamas River El...	OR	11
Twisp-Ewell St	WA	11
Colbert-Greenbluff	WA	11
Hillsboro - Hare Field	OR	11