Chicago vs Cairo

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

United States
Chicago
29
Good
Egypt
Cairo
57
Moderate
MetricChicagoCairo
AQI2957
PM2.53.8 μg/m³16.2 μg/m³
PM103.9 μg/m³25.2 μg/m³
Ozone63 ppb144 ppb
NO212.8 ppb14 ppb

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