Site

State

PM AQI* (ug/m3)

Ponca City

OK

22

Capitol

LA

20

MONTG

AL

13

North OKC

OK

11

Union

OK

10

Chalmette Vista

LA

10

Tulsa

OK

10

John A. Chesnut Sr. Park

FL

10

Near Road OKC

OK

9

Healdton

OK

9