RANKABLE EPA COUNTY AQI
Air Quality in ZIP 99661 - Sand Point, Alaska
County-derived EPA air-quality evidence connected locally through National Data System.
Median AQI
11.0
Maximum AQI
58.0
Good-air-quality days
95.00%
Average PM2.5
N/A
NDS Air Quality Score
84.35
U.S. County Rank
86 of 1,049
Percentile
91.89
Grade
A
What the data means
ZIP 99661 is connected to governed EPA county-level air-quality evidence for Aleutians East.
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.