Site

State

PM AQI* (ug/m3)

Moore

OK

14

Healdton

OK

14

North OKC

OK

14

Laredo C313

TX

13

CHICK.

AL

13

San Antonio Old Hwy90 C677

TX

12

Mission C43

TX

12

Lake City

FL

11

McAlester

OK

11

Austin North Interstate 35 ...

TX

11