Site

State

PM AQI* (ug/m3)

Clinton C403

TX

28

Houston North Wayside C405

TX

21

Houston East C1

TX

15

Houston North Loop C1052

TX

14

Baytown C148

TX

14

Shreveport Airport

LA

13

MATH & SCIENCE CTR

VA

13

OWENPRI

KY

12

King Greenleaf Rec Center

DC

12

Millbrook NCore

NC

12