RANKABLE EPA COUNTY AQI
Roanoke Air Quality - Virginia
EPA county-level evidence, NDS comparative intelligence, and 4 connected ZIP profiles.
Median AQI
39.0
Maximum AQI
80.0
Good-air-quality days
80.66%
Average PM2.5
6.445 ug/m3
NDS Air Quality Score
62.27
U.S. County Rank
364 of 1,049
Percentile
65.27
Grade
C
County status
Roanoke is part of the governed NDS rankable EPA county universe.
Methodology
EPA AQI evidence used here is county-derived. ZIP profiles connect to this evidence through the governed NDS geography relationship.