Seoul vs Chennai

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

South Korea
Seoul
62
Moderate
India
Chennai
68
Moderate
MetricSeoulChennai
AQI6268
PM2.512.5 μg/m³15.7 μg/m³
PM1015.2 μg/m³18.1 μg/m³
Ozone35 ppb23 ppb
NO234.9 ppb21.7 ppb

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