Site

State

PM AQI* (ug/m3)

Mission C43

TX

32

Laredo C313

TX

32

San Antonio Old Hwy90 C677

TX

25

Calaveras Lake C59

TX

23

San Antonio Northwest C23

TX

22

Brownsville C80

TM

21

San Antonio IH35 C1069

TX

20

San Antonio Palo Alto C676

TX

20

Houston East C1

TX

19

Rome

GA

19