Site

State

PM AQI* (ug/m3)

TK Gregg

SC

16

LOCKLAND

TN

15

Shreveport Airport

LA

15

MARION

AR

15

Thomas Jefferson School C303

TX

15

Texarkana New Boston

TX

14

JPRECC

KY

14

Westlake

LA

14

ADEQ-DSR

AR

13

Houston East C1

TX

13