RANKABLE EPA COUNTY AQI
Walker Air Quality - Georgia
EPA county-level evidence, NDS comparative intelligence, and 3 connected ZIP profiles.
Median AQI
46.0
Maximum AQI
181.0
Good-air-quality days
55.14%
Average PM2.5
9.501 ug/m3
NDS Air Quality Score
21.45
U.S. County Rank
938 of 1,049
Percentile
10.40
Grade
F
County status
Walker 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.