Chennai vs Kolkata

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

India
Chennai
63
Moderate
India
Kolkata
57
Moderate
MetricChennaiKolkata
AQI6357
PM2.515.3 μg/m³10.9 μg/m³
PM1023.7 μg/m³13.4 μg/m³
Ozone56 ppb52 ppb
NO214.7 ppb8 ppb

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