Kolkata vs London

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

India
Kolkata
198
Unhealthy
United Kingdom
London
23
Good
MetricKolkataLondon
AQI19823
PM2.557.5 μg/m³3.8 μg/m³
PM1060.5 μg/m³9 μg/m³
Ozone197 ppb57 ppb
NO211.6 ppb10 ppb

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