Site

State

PM AQI* (ug/m3)

San Antonio Old Hwy90 C677

TX

14

Clinton C403

TX

13

French Settlement

LA

13

Laredo C313

TX

12

Ft. Worth Northwest C13

TX

12

St. Andrews Park

FL

11

Fort Worth CA Parkway N C1053

TX

11

Midlothian OFW C52

TX

11

Hattiesburg

MS

11

San Antonio IH35 C1069

TX

11