Denver vs Chicago

Live air quality comparison. Chicago has cleaner air right now.

United States
Denver
55
Moderate
United States
Chicago
29
Good
MetricDenverChicago
AQI5529
PM2.514 μg/m³3.8 μg/m³
PM1014.6 μg/m³3.9 μg/m³
Ozone44 ppb63 ppb
NO219.4 ppb12.8 ppb

Lower values mean cleaner air. Updated hourly. Sources: OpenAQ, Open-Meteo.

Denver vs Chicago - Air Quality Comparison | atmos.today