RANKABLE EPA COUNTY AQI
Air Quality in ZIP 98941 - Roslyn, Washington
County-derived EPA air-quality evidence connected locally through National Data System.
Median AQI
22.0
Maximum AQI
81.0
Good-air-quality days
84.77%
Average PM2.5
4.431 ug/m3
NDS Air Quality Score
78.84
U.S. County Rank
131 of 1,049
Percentile
87.60
Grade
A
What the data means
ZIP 98941 is connected to governed EPA county-level air-quality evidence for Kittitas.
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.