Site

State

PM AQI* (ug/m3)

Rose Park

UT

10

BV

UT

10

Copper View

UT

10

Joe Neal

NV

10

Erda

UT

9

Paul E-Sampler

ID

9

Weiser PM25

OR

9

Herriman #3

UT

8

Garden Valley

ID

8

Rexburg PM25

ID

7