RANKABLE EPA COUNTY AQI
Air Quality in ZIP 55925 - Winona, Minnesota
County-derived EPA air-quality evidence connected locally through National Data System.
Median AQI
19.0
Maximum AQI
57.0
Good-air-quality days
94.12%
Average PM2.5
N/A
NDS Air Quality Score
83.95
U.S. County Rank
91 of 1,049
Percentile
91.41
Grade
A
What the data means
ZIP 55925 is connected to governed EPA county-level air-quality evidence for Winona.
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.