Kolkata vs London

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

India
Kolkata
163
Unhealthy
United Kingdom
London
54
Moderate
MetricKolkataLondon
AQI16354
PM2.582.2 μg/m³4.2 μg/m³
PM1095.7 μg/m³7 μg/m³
Ozone74 ppb48 ppb
NO218.8 ppb19.7 ppb

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