National Data System · Environmental Intelligence · EPA Air Quality
National Data System Air Quality Intelligence
RANKABLE EPA COUNTY AQI

Air Quality in ZIP 54904 - Oshkosh, Wisconsin

County-derived EPA air-quality evidence connected locally through National Data System.

Compare this ZIP
Median AQI
39.0
Maximum AQI
80.0
Good-air-quality days
91.30%
Average PM2.5
N/A
NDS Air Quality Score
65.59
U.S. County Rank
318 of 1,049
Percentile
69.66
Grade
C

What the data means

ZIP 54904 is connected to governed EPA county-level air-quality evidence for Fond du Lac.

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.

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.

Read the methodology →