Kolkata vs Chennai

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

India
Kolkata
103
Unhealthy for Sensitive Groups
India
Chennai
64
Moderate
MetricKolkataChennai
AQI10364
PM2.517.3 μg/m³14.5 μg/m³
PM1018.1 μg/m³20.5 μg/m³
Ozone107 ppb77 ppb
NO210.6 ppb4.1 ppb

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