London vs Chennai

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

United Kingdom
London
43
Good
India
Chennai
70
Moderate
MetricLondonChennai
AQI4370
PM2.54.7 μg/m³20.8 μg/m³
PM106.4 μg/m³32.4 μg/m³
Ozone71 ppb68 ppb
NO27.3 ppb14.6 ppb

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