Site

State

PM AQI* (ug/m3)

Doyle

CA

55

Spanish Springs

NV

50

P2

UT

48

Roosvelt

UT

44

Vernal #4

UT

44

Toll

NV

42

Lindon

UT

37

Reno4

NV

36

Sparks

NV

35

Spanish Fork

UT

31