Site

State

PM AQI* (ug/m3)

Lafayette

LA

15

Tallahassee Community College

FL

15

Houston North Wayside C405

TX

14

Union

OK

13

United Ave

GA

13

WYLAM

AL

13

Sandersville

GA

12

Houston North Loop C1052

TX

12

Baytown C148

TX

12

Near Road OKC

OK

12