Site

State

PM AQI* (ug/m3)

Spanish Fork

UT

9

Soda Springs PM25

ID

8

Copper View

UT

8

Idaho Falls / Penford

ID

8

Paul E-Sampler

ID

8

Weiser PM25

OR

7

Lindon

UT

7

Herriman #3

UT

7

Rose Park

UT

7

Erda

UT

7