Kolkata vs Chennai

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

India
Kolkata
113
Unhealthy for Sensitive Groups
India
Chennai
128
Unhealthy for Sensitive Groups
MetricKolkataChennai
AQI113128
PM2.541.6 μg/m³30.3 μg/m³
PM1050.5 μg/m³44.1 μg/m³
Ozone89 ppb162 ppb
NO214.8 ppb6.6 ppb

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