Site

State

PM AQI* (ug/m3)

Madisonville

LA

20

Karnack C85

TX

16

Union

OK

16

JPRECC

KY

16

McAlester

OK

15

Chesterfield

SC

15

Texarkana New Boston

TX

15

Miami

OK

14

ROLAND

OK

13

Tulsa

OK

13