Chennai vs Kolkata

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

India
Chennai
52
Moderate
India
Kolkata
112
Unhealthy for Sensitive Groups
MetricChennaiKolkata
AQI52112
PM2.54 μg/m³59.4 μg/m³
PM104.6 μg/m³59.6 μg/m³
Ozone48 ppb66 ppb
NO27.8 ppb16.6 ppb

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