Site

State

PM AQI* (ug/m3)

Seeley Elementary School

MT

10

St. Maries

ID

9

RYDER

ND

8

Lostwood NWR

ND

8

Libby Courthouse

MT

6

Hannover

ND

6

Kamiah

ID

6

Fargo NW

ND

5

Pinehurst

ID

5

Plummer CDA Tribe

ID

5