London vs Chennai

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

United Kingdom
London
50
Good
India
Chennai
68
Moderate
MetricLondonChennai
AQI5068
PM2.515.1 μg/m³18.9 μg/m³
PM1025.1 μg/m³22.7 μg/m³
Ozone79 ppb25 ppb
NO220.3 ppb23.3 ppb

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