London vs Chennai

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

United Kingdom
London
22
Good
India
Chennai
67
Moderate
MetricLondonChennai
AQI2267
PM2.54.2 μg/m³18.9 μg/m³
PM108 μg/m³26.2 μg/m³
Ozone50 ppb48 ppb
NO28 ppb8.1 ppb

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