RANKABLE EPA COUNTY AQI
Air Quality in ZIP 23249 - Richmond, Virginia
County-derived EPA air-quality evidence connected locally through National Data System.
Median AQI
36.0
Maximum AQI
77.0
Good-air-quality days
78.87%
Average PM2.5
6.686 ug/m3
NDS Air Quality Score
68.41
U.S. County Rank
269 of 1,049
Percentile
74.33
Grade
B
What the data means
ZIP 23249 is connected to governed EPA county-level air-quality evidence for Richmond.
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.