Site

State

PM AQI* (ug/m3)

Laredo C313

TX

14

San Antonio Old Hwy90 C677

TX

13

Brownsville C80

TM

13

Mission C43

TX

13

Near Road

KY

12

ADEQ-DSR

AR

11

San Antonio Northwest C23

TX

11

Calaveras Lake C59

TX

11

PARR

AR

11

El Dorado

AR

11