Site

State

PM AQI* (ug/m3)

Greenville-ESC

SC

19

Augusta

GA

16

BUTLER MANUF. CO NEAR REST

VA

14

TK Gregg

SC

14

Brownsville C80

TM

13

Near Road

FL

12

San Antonio Old Hwy90 C677

TX

12

Homestead Fire Station #16

FL

11

Woodlawn

FL

11

Albemarle HS

VA

11