RANKABLE EPA COUNTY AQI
Air Quality in ZIP 57703 - Rapid City, South Dakota
County-derived EPA air-quality evidence connected locally through National Data System.
Median AQI
31.0
Maximum AQI
107.0
Good-air-quality days
79.01%
Average PM2.5
5.762 ug/m3
NDS Air Quality Score
63.83
U.S. County Rank
343 of 1,049
Percentile
67.27
Grade
C
What the data means
ZIP 57703 is connected to governed EPA county-level air-quality evidence for Pennington.
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.