Site	State	AQI*
Libby Courthouse	MT	21
St. Maries	ID	18
Great Falls Overlook Park	MT	18
Lancaster	ID	13
Columbia Falls	MT	11
Pinehurst	ID	11
Butte Greely School	MT	11
Rossiter Pump House	MT	10
Billlings Lockwood	MT	9
Lewiston	ID	9