Site

State

PM AQI* (ug/m3)

Erda

UT

14

Idaho City

ID

12

BV

UT

11

Copper View

UT

9

Paul E-Sampler

ID

9

Rexburg PM25

ID

8

McCall

ID

8

Jean

NV

8

Spanish Springs

NV

8

Weiser PM25

OR

7