Seoul vs Chennai

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

South Korea
Seoul
51
Moderate
India
Chennai
87
Moderate
MetricSeoulChennai
AQI5187
PM2.516.5 μg/m³13.6 μg/m³
PM1016.6 μg/m³16.9 μg/m³
Ozone6 ppb57 ppb
NO255.4 ppb12.9 ppb

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