Atlanta vs Chicago

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

United States
Atlanta
23
Good
United States
Chicago
29
Good
MetricAtlantaChicago
AQI2329
PM2.54.9 μg/m³2.5 μg/m³
PM105.5 μg/m³2.5 μg/m³
Ozone40 ppb59 ppb
NO210.7 ppb12.9 ppb

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