National Data System · Environmental Intelligence · EPA Air Quality
National Data System Air Quality Intelligence
RANKABLE EPA COUNTY AQI

Air Quality in ZIP 97225 - West Slope, Oregon

County-derived EPA air-quality evidence connected locally through National Data System.

Compare this ZIP
Median AQI
38.0
Maximum AQI
87.0
Good-air-quality days
82.42%
Average PM2.5
5.807 ug/m3
NDS Air Quality Score
57.92
U.S. County Rank
446 of 1,049
Percentile
57.35
Grade
C

What the data means

ZIP 97225 is connected to governed EPA county-level air-quality evidence for Multnomah.

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.

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.

Read the methodology →