Site

State

PM AQI* (ug/m3)

Texarkana New Boston

TX

45

Hopkinsville

KY

34

Houston North Wayside C405

TX

27

WAVELAND

MS

24

Westlake

LA

22

Shreveport Airport

LA

20

French Settlement

LA

19

Houston East C1

TX

19

ADEQ-DSR

AR

19

Karnack C85

TX

17