Site

State

PM NowCast (ug/m3)

Laredo C313

TX

39

Mission C43

TX

38

Ponca City

OK

27

Seiling

OK

25

San Antonio Old Hwy90 C677

TX

24

Brownsville C80

TM

24

San Antonio Northwest C23

TX

24

Von Ormy Highway 16

TX

22

Calaveras Lake C59

TX

22

Durham Armory

NC

19