Kolkata vs London

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

India
Kolkata
115
Unhealthy for Sensitive Groups
United Kingdom
London
56
Moderate
MetricKolkataLondon
AQI11556
PM2.533.8 μg/m³7 μg/m³
PM1041.4 μg/m³14.6 μg/m³
Ozone79 ppb82 ppb
NO29.1 ppb15 ppb

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