Hangzhou vs Chennai

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

China
Hangzhou
103
Unhealthy for Sensitive Groups
India
Chennai
112
Unhealthy for Sensitive Groups
MetricHangzhouChennai
AQI103112
PM2.556.3 μg/m³15.5 μg/m³
PM1056.5 μg/m³20.1 μg/m³
Ozone1 ppb64 ppb
NO263.3 ppb11.2 ppb

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