Site

State

PM AQI* (ug/m3)

Butte Greely School

MT

19

Kamiah

ID

16

Seeley Elementary School

MT

14

St. Maries

ID

14

Pinehurst

ID

13

Kamiah-ID

ID

13

Fargo NW

ND

11

Libby Courthouse

MT

11

Rossiter Pump House

MT

9

Sandpoint U of I

ID

9