RANKABLE EPA COUNTY AQI
Air Quality in ZIP 49504 - Grand Rapids, Michigan
County-derived EPA air-quality evidence connected locally through National Data System.
Median AQI
46.0
Maximum AQI
138.0
Good-air-quality days
59.87%
Average PM2.5
9.170 ug/m3
NDS Air Quality Score
21.08
U.S. County Rank
941 of 1,049
Percentile
10.11
Grade
F
What the data means
ZIP 49504 is connected to governed EPA county-level air-quality evidence for Kent.
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.