Site

State

PM AQI* (ug/m3)

Laredo C313

TX

17

Mission C43

TX

16

Moore

OK

16

Austin North Interstate 35 ...

TX

15

Houston East C1

TX

15

San Antonio IH35 C1069

TX

14

Austin Webberville Road C171

TX

14

Sheffield Elementary School

FL

14

Calaveras Lake C59

TX

13

Chalmette Vista

LA

13