Site

State

PM AQI* (ug/m3)

Houston North Wayside C405

TX

25

French Settlement

LA

19

Houston North Loop C1052

TX

15

Clinton C403

TX

13

Houston East C1

TX

13

Shuttlesworth

AL

12

Savannah L&A

GA

12

Trenton

SC

12

Westlake

LA

11

Baytown C148

TX

11