RANKABLE EPA COUNTY AQI
Air Quality in ZIP 35660 - Sheffield, Alabama
County-derived EPA air-quality evidence connected locally through National Data System.
Median AQI
38.0
Maximum AQI
65.0
Good-air-quality days
90.49%
Average PM2.5
7.213 ug/m3
NDS Air Quality Score
69.86
U.S. County Rank
251 of 1,049
Percentile
76.05
Grade
B
What the data means
ZIP 35660 is connected to governed EPA county-level air-quality evidence for Colbert.
ZIP ranking note: ZIPs are not separately ranked. The rank shown on this page is the associated county rank because the EPA AQI evidence used here is county-derived.
County context
Methodology
EPA AQI evidence is county-derived. NDS connects that evidence to ZIP geography where a governed county relationship exists. NDS does not claim that EPA directly ranks ZIP codes.