Site

State

PM AQI* (ug/m3)

ADEQ-DSR

AR

22

GPORT YC

MS

20

Texarkana New Boston

TX

18

Shreveport Airport

LA

17

Madisonville

LA

16

Karnack C85

TX

15

French Settlement

LA

15

Jackson

TN

14

HERNANDO

MS

14

SHELBY FARMS

TN

14