RANKABLE EPA COUNTY AQI
Air Quality in ZIP 49002 - Portage, Michigan
County-derived EPA air-quality evidence connected locally through National Data System.
Median AQI
40.0
Maximum AQI
133.0
Good-air-quality days
74.01%
Average PM2.5
8.139 ug/m3
NDS Air Quality Score
44.43
U.S. County Rank
647 of 1,049
Percentile
38.17
Grade
D
What the data means
ZIP 49002 is connected to governed EPA county-level air-quality evidence for Kalamazoo.
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.