Nanjing vs Chennai

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

China
Nanjing
115
Unhealthy for Sensitive Groups
India
Chennai
112
Unhealthy for Sensitive Groups
MetricNanjingChennai
AQI115112
PM2.555.9 μg/m³15.5 μg/m³
PM1055.9 μg/m³20.1 μg/m³
Ozone0 ppb64 ppb
NO259.7 ppb11.2 ppb

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