Chennai vs Kolkata

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

India
Chennai
134
Unhealthy for Sensitive Groups
India
Kolkata
96
Moderate
MetricChennaiKolkata
AQI13496
PM2.521.3 μg/m³45.4 μg/m³
PM1026.1 μg/m³46.4 μg/m³
Ozone110 ppb67 ppb
NO29.4 ppb13.4 ppb

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