Site

State

PM AQI* (ug/m3)

Brigham City

UT

14

Idaho Falls / Penford

ID

9

Paul E-Sampler

ID

9

Hawthorne

UT

9

Sparks

NV

9

Spanish Springs

NV

8

Copper View

UT

7

Herriman #3

UT

7

Weiser PM25

OR

7

RT

NV

7