Dallas vs Chicago

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

United States
Dallas
44
Good
United States
Chicago
61
Moderate
MetricDallasChicago
AQI4461
PM2.58.1 μg/m³4.1 μg/m³
PM1011 μg/m³4.2 μg/m³
Ozone114 ppb107 ppb
NO22.3 ppb6.1 ppb

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