Dallas vs Chicago

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

United States
Dallas
40
Good
United States
Chicago
29
Good
MetricDallasChicago
AQI4029
PM2.510.5 μg/m³2.5 μg/m³
PM1010.7 μg/m³2.5 μg/m³
Ozone34 ppb59 ppb
NO216.4 ppb12.9 ppb

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