RANKABLE EPA COUNTY AQI
Juneau Air Quality - Alaska
EPA county-level evidence, NDS comparative intelligence, and 3 connected ZIP profiles.
Median AQI
21.0
Maximum AQI
138.0
Good-air-quality days
85.08%
Average PM2.5
4.902 ug/m3
NDS Air Quality Score
72.37
U.S. County Rank
202 of 1,049
Percentile
80.73
Grade
B
County status
Juneau 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.