Site

State

PM AQI* (ug/m3)

Laredo C313

TX

24

Mission C43

TX

19

Eagle Pass C319

TX

19

Isla Blanca C323/C667

TX

19

MONTG

AL

18

San Antonio Old Hwy90 C677

TX

18

Mesa 2 /Nipomo

CA

18

Brownsville C80

TM

18

Nipomo Mesa CDF

CA

17

San Antonio Northwest C23

TX

16