Site
State
PM AQI* (ug/m3)
Augusta
GA
48
Mission C43
TX
22
Laredo C313
20
San Antonio Old Hwy90 C677
19
Von Ormy Highway 16
18
HICKORY
NC
16
San Antonio IH35 C1069
15
Calaveras Lake C59
HATTIEAVEN
Brownsville C80
TM