London vs Chennai

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

United Kingdom
London
57
Moderate
India
Chennai
112
Unhealthy for Sensitive Groups
MetricLondonChennai
AQI57112
PM2.58.7 μg/m³15.5 μg/m³
PM1016.7 μg/m³20.1 μg/m³
Ozone83 ppb64 ppb
NO213.7 ppb11.2 ppb

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