Site
State
PM AQI* (ug/m3)
Greenville-ESC
SC
19
Augusta
GA
16
BUTLER MANUF. CO NEAR REST
VA
14
TK Gregg
Brownsville C80
TM
13
Near Road
FL
12
San Antonio Old Hwy90 C677
TX
Homestead Fire Station #16
11
Woodlawn
Albemarle HS