Kolkata vs London

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

India
Kolkata
58
Moderate
United Kingdom
London
51
Moderate
MetricKolkataLondon
AQI5851
PM2.517.2 μg/m³16 μg/m³
PM1019.4 μg/m³25.1 μg/m³
Ozone75 ppb72 ppb
NO28.5 ppb18.6 ppb

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