Site	State	PM AQI* (ug/m3)
Libby Courthouse	MT	18
Butte Greely School	MT	15
St. Maries	ID	15
Rossiter Pump House	MT	14
Columbia Falls	MT	13
French Town - Beckwith	MT	12
Grangeville	ID	11
Pinehurst	ID	11
Beulah North	ND	10
Thompson Falls HS	MT	9