Site

State

PM AQI* (ug/m3)

Westlake

LA

12

San Antonio Old Hwy90 C677

TX

10

Shreveport Airport

LA

10

MATH & SCIENCE CTR

VA

10

Burdens Creek

NC

10

John A. Chesnut Sr. Park

FL

9

Houston North Wayside C405

TX

9

Blind Services; 1185-A Dunn...

FL

9

Ft. Worth Northwest C13

TX

9

Near Road

FL

9