Site

State

PM AQI* (ug/m3)

Broadus

MT

14

Seeley Elementary School

MT

10

Lewiston

ID

7

Missoula Boyd Park

MT

7

Havre

MT

6

Grangeville

ID

6

Lapwai

ID

6

French Town - Beckwith

MT

6

Libby Courthouse

MT

6

Malta

MT

6