Site

State

PM AQI* (ug/m3)

Erda

UT

42

Sparks

NV

12

Copper View

UT

11

Herriman #3

UT

11

Spanish Fork

UT

10

Garden Valley

ID

10

Idaho City

ID

9

Jerome Mack

NV

8

Ranchos

NV

8

Nampa Fire Station

ID

8