Site

State

PM AQI* (ug/m3)

Jerome Mack

NV

10

NR

UT

8

RT

NV

7

Sparks

NV

7

Hawthorne

UT

7

Walter Johnson

NV

7

Rose Park

UT

7

McCall

ID

6

Utah Tech. Center

UT

6

Spanish Springs

NV

6