RANKABLE EPA COUNTY AQI
Air Quality in ZIP 77639 - Orangefield, Texas
County-derived EPA air-quality evidence connected locally through National Data System.
Median AQI
47.0
Maximum AQI
71.0
Good-air-quality days
56.38%
Average PM2.5
8.862 ug/m3
NDS Air Quality Score
22.69
U.S. County Rank
927 of 1,049
Percentile
11.45
Grade
F
What the data means
ZIP 77639 is connected to governed EPA county-level air-quality evidence for Orange.
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.