Site

State

PM AQI* (ug/m3)

Herriman #3

UT

14

Rose Park

UT

12

Jerome Mack

NV

11

Hawthorne

UT

11

Copper View

UT

10

Idaho Falls / Penford

ID

10

Sunrise Acres

NV

10

Brigham City

UT

9

Roosvelt

UT

9

Salmon PM2.5

ID

9