RANKABLE EPA COUNTY AQI
Bethel Air Quality - Alaska
EPA county-level evidence, NDS comparative intelligence, and 27 connected ZIP profiles.
Median AQI
7.0
Maximum AQI
56.0
Good-air-quality days
98.80%
Average PM2.5
N/A
NDS Air Quality Score
93.47
U.S. County Rank
11 of 1,049
Percentile
99.05
Grade
A+
County status
Bethel 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.