Chennai vs Kolkata

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

India
Chennai
128
Unhealthy for Sensitive Groups
India
Kolkata
113
Unhealthy for Sensitive Groups
MetricChennaiKolkata
AQI128113
PM2.530.3 μg/m³44.7 μg/m³
PM1044.1 μg/m³53.4 μg/m³
Ozone162 ppb79 ppb
NO26.6 ppb15.8 ppb

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