RANKABLE EPA COUNTY AQI
Air Quality in ZIP 28173 - Waxhaw, North Carolina
County-derived EPA air-quality evidence connected locally through National Data System.
Median AQI
41.0
Maximum AQI
90.0
Good-air-quality days
90.22%
Average PM2.5
N/A
NDS Air Quality Score
63.62
U.S. County Rank
346 of 1,049
Percentile
66.98
Grade
C
What the data means
ZIP 28173 is connected to governed EPA county-level air-quality evidence for Union.
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.