Site

State

PM AQI* (ug/m3)

Shreveport Airport

LA

14

Texarkana New Boston

TX

11

Houston North Loop C1052

TX

10

Karnack C85

TX

10

Houston North Wayside C405

TX

10

ADEQ-DSR

AR

10

Westlake

LA

9

Shuttlesworth

AL

9

CHICK.

AL

9

DCNearRoad

DC

8