Site

State

PM AQI* (ug/m3)

MONTG

AL

21

Shuttlesworth

AL

18

Jackson NCORE

MS

18

Karnack C85

TX

17

Shreveport Airport

LA

17

ADEQ-DSR

AR

16

French Settlement

LA

15

Hinds CC

MS

15

OWENPRI

KY

15

Texarkana New Boston

TX

15