Site

State

NowCast

Smithfield

UT

21

Brigham City

UT

19

Jerome Mack

NV

16

Erda

UT

14

RT

NV

14

Salmon PM2.5

ID

14

Sunrise Acres

NV

14

Vernal #4

UT

12

GreenValley

NV

11

Paul Meyer

NV

11