Chicago vs Beijing

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

United States
Chicago
61
Moderate
China
Beijing
190
Unhealthy
MetricChicagoBeijing
AQI61190
PM2.514.2 μg/m³85.2 μg/m³
PM1014.5 μg/m³90.1 μg/m³
Ozone86 ppb0 ppb
NO225.8 ppb105.3 ppb

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