RANKABLE EPA COUNTY AQI
Anchorage Air Quality - Alaska
EPA county-level evidence, NDS comparative intelligence, and 30 connected ZIP profiles.
Median AQI
24.0
Maximum AQI
110.0
Good-air-quality days
80.77%
Average PM2.5
3.960 ug/m3
NDS Air Quality Score
73.51
U.S. County Rank
190 of 1,049
Percentile
81.87
Grade
B
County status
Anchorage 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.