RANKABLE EPA COUNTY AQI
Air Quality in ZIP 58854 - Watford City, North Dakota
County-derived EPA air-quality evidence connected locally through National Data System.
Median AQI
40.0
Maximum AQI
217.0
Good-air-quality days
78.60%
Average PM2.5
8.636 ug/m3
NDS Air Quality Score
32.55
U.S. County Rank
801 of 1,049
Percentile
23.47
Grade
D
What the data means
ZIP 58854 is connected to governed EPA county-level air-quality evidence for Dunn.
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.