RANKABLE EPA COUNTY AQI
Air Quality in ZIP 99034 - Tumtum, Washington
County-derived EPA air-quality evidence connected locally through National Data System.
Median AQI
27.0
Maximum AQI
119.0
Good-air-quality days
81.07%
Average PM2.5
4.574 ug/m3
NDS Air Quality Score
70.57
U.S. County Rank
236 of 1,049
Percentile
77.48
Grade
B
What the data means
ZIP 99034 is connected to governed EPA county-level air-quality evidence for Stevens.
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.