Omaha vs Lincoln Air Quality Comparison
Which city has cleaner air right now, from the latest EPA AirNow AQI
As of September 23, 2026, Lincoln, NE has cleaner air than Omaha, NE — AQI 12 (Good) vs 26 (Good), a gap of 14 AQI points in the latest EPA AirNow observations. Lower AQI means cleaner air. Omaha's reading is driven by O3 and Lincoln's by PM2.5.
Omaha, NE
Good
Lincoln, NE
Good
Summary
Lincoln has 14 points better air quality
Lincoln has an AQI of 12 compared to 26
Reduce Indoor Ozone in Omaha
Today's main pollutant in Omaha is ground-level ozone (AQI 26). Important: standard HEPA filters do NOT remove ozone — only a purifier with a substantial activated-carbon bed adsorbs it. The biggest wins are cutting indoor sources (gas appliances, certain "ionizer" purifiers) and ventilating when outdoor ozone is low (early morning). A high-carbon unit helps with the gases and VOCs that linger indoors.
Compare activated-carbon purifiers (for gases & ozone):
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