Site

State

PM AQI* (ug/m3)

Huntsville Old Airport

AL

17

Muscogee (Creek) Nation

OK

16

WYLAM

AL

16

Lafayette

LA

15

Ellyson Industrial Park

FL

15

Texarkana New Boston

TX

15

North OKC

OK

15

CHICK.

AL

15

DECATUR

AL

14

Healdton

OK

14