Site

State

NowCast

Brigham City

UT

25

Salmon PM2.5

ID

17

Reno3

NV

15

Sparks

NV

15

Toll

NV

11

Spanish Springs

NV

11

Jerome Mack

NV

10

Preston PM25 BAM

ID

9

Rose Park

UT

9

Pocatello Garrett and Gould

ID

9