Site

State

PM AQI* (ug/m3)

Trenton

SC

15

SPA-Irving St.

SC

14

Irmo

SC

12

Burdens Creek

NC

12

Valdosta

GA

12

W OWEN SCH

NC

11

MATH & SCIENCE CTR

VA

11

Cape Romain

SC

11

Millbrook NCore

NC

11

Columbus Airport

GA

11