Chicago vs Beijing

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

United States
Chicago
58
Moderate
China
Beijing
184
Unhealthy
MetricChicagoBeijing
AQI58184
PM2.515 μg/m³156.9 μg/m³
PM1015.3 μg/m³163 μg/m³
Ozone32 ppb6 ppb
NO242.2 ppb45 ppb

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