RANKABLE EPA COUNTY AQI
Air Quality in ZIP 74145 - Tulsa, Oklahoma
County-derived EPA air-quality evidence connected locally through National Data System.
Median AQI
51.0
Maximum AQI
508.0
Good-air-quality days
45.99%
Average PM2.5
8.630 ug/m3
NDS Air Quality Score
14.35
U.S. County Rank
1,000 of 1,049
Percentile
4.48
Grade
F
What the data means
ZIP 74145 is connected to governed EPA county-level air-quality evidence for Tulsa.
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.