Site

State

PM AQI* (ug/m3)

Erda

UT

12

Paul E-Sampler

ID

11

Garden City

ID

11

Weiser PM25

OR

10

St. Lukes Meridian

ID

9

Rexburg PM25

ID

9

McCall

ID

9

Nampa Fire Station

ID

9

Copper View

UT

9

Hurricane

UT

8