Site

State

PM NowCast (ug/m3)

Columbus Airport

GA

41

PC South Girard School

AL

36

Laredo C313

TX

24

Healdton

OK

24

Austin North Hills Drive C3

TX

24

Austin Webberville Road C171

TX

23

Durham Armory

NC

22

Mayo Clinic

FL

21

Von Ormy Highway 16

TX

21

San Antonio Old Hwy90 C677

TX

21