Site

State

PM AQI* (ug/m3)

Imlay

NV

150

Hurricane

UT

11

Herriman #3

UT

10

Paul E-Sampler

ID

9

Sparks

NV

8

Weiser PM25

OR

8

Copper View

UT

8

GreenValley

NV

8

Erda

UT

8

Roosvelt

UT

8