RANKABLE EPA COUNTY AQI
Air Quality in ZIP 70056 - Gretna, Louisiana
County-derived EPA air-quality evidence connected locally through National Data System.
Median AQI
48.0
Maximum AQI
101.0
Good-air-quality days
58.61%
Average PM2.5
7.959 ug/m3
NDS Air Quality Score
19.26
U.S. County Rank
956 of 1,049
Percentile
8.68
Grade
F
What the data means
ZIP 70056 is connected to governed EPA county-level air-quality evidence for Jefferson.
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.