RANKABLE EPA COUNTY AQI
Air Quality in ZIP 59102 - Billings, Montana
County-derived EPA air-quality evidence connected locally through National Data System.
Median AQI
39.0
Maximum AQI
85.0
Good-air-quality days
86.74%
Average PM2.5
5.045 ug/m3
NDS Air Quality Score
60.83
U.S. County Rank
389 of 1,049
Percentile
62.88
Grade
C
What the data means
ZIP 59102 is connected to governed EPA county-level air-quality evidence for Yellowstone.
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.