Site

State

PM AQI* (ug/m3)

Spanish Fork

UT

10

Erda

UT

9

Paul E-Sampler

ID

9

BV

UT

9

Spanish Springs

NV

8

Sparks

NV

8

Herriman #3

UT

8

Weiser PM25

OR

8

Idaho City

ID

8

Copper View

UT

8