Denver vs Colorado Springs Air Quality Comparison
Which city has cleaner air right now, from the latest EPA AirNow AQI
As of November 8, 2026, Denver, CO and Colorado Springs, CO have effectively the same air quality — both at AQI 39 (Good) in the latest EPA AirNow observations. Denver's reading is driven by O3 and Colorado Springs's by O3.
Denver, CO
Good
Colorado Springs, CO
Good
Summary
Both cities have similar air quality
Reduce Indoor Ozone in Colorado Springs
Today's main pollutant in Colorado Springs is ground-level ozone (AQI 39). 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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