Kolkata vs Chennai

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

India
Kolkata
96
Moderate
India
Chennai
134
Unhealthy for Sensitive Groups
MetricKolkataChennai
AQI96134
PM2.545.4 μg/m³21.3 μg/m³
PM1046.4 μg/m³26.1 μg/m³
Ozone67 ppb110 ppb
NO213.4 ppb9.4 ppb

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