Nanjing vs Chennai

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

China
Nanjing
155
Unhealthy
India
Chennai
67
Moderate
MetricNanjingChennai
AQI15567
PM2.546.2 μg/m³18.9 μg/m³
PM1053.9 μg/m³26.2 μg/m³
Ozone47 ppb48 ppb
NO256.3 ppb8.1 ppb

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

Nanjing vs Chennai - Air Quality Comparison | atmos.today