RANKABLE EPA COUNTY AQI
Carroll Air Quality - Virginia
EPA county-level evidence, NDS comparative intelligence, and 17 connected ZIP profiles.
Median AQI
9.0
Maximum AQI
19.0
Good-air-quality days
100.00%
Average PM2.5
N/A
NDS Air Quality Score
90.35
U.S. County Rank
44 of 1,049
Percentile
95.90
Grade
A+
County status
Carroll is part of the governed NDS rankable EPA county universe.
Connected ZIP codes
Methodology
EPA AQI evidence used here is county-derived. ZIP profiles connect to this evidence through the governed NDS geography relationship.