RANKABLE EPA COUNTY AQI
Air Quality in ZIP 78401 - Corpus Christi, Texas
County-derived EPA air-quality evidence connected locally through National Data System.
Median AQI
55.0
Maximum AQI
137.0
Good-air-quality days
34.98%
Average PM2.5
10.228 ug/m3
NDS Air Quality Score
4.08
U.S. County Rank
1,042 of 1,049
Percentile
0.48
Grade
F
What the data means
ZIP 78401 is connected to governed EPA county-level air-quality evidence for Nueces.
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.