Site

State

PM AQI* (ug/m3)

Laredo C313

TX

39

Ascarate Park Southeast C37

TX

39

San Antonio Old Hwy90 C677

TX

34

Mission C43

TX

33

Eagle Pass C319

TX

30

Calaveras Lake C59

TX

30

Brownsville C80

TM

28

San Antonio Northwest C23

TX

27

San Antonio Palo Alto C676

TX

25

San Antonio IH35 C1069

TX

25