Chennai vs Kolkata

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

India
Chennai
85
Moderate
India
Kolkata
68
Moderate
MetricChennaiKolkata
AQI8568
PM2.519.8 μg/m³28.2 μg/m³
PM1026 μg/m³46 μg/m³
Ozone148 ppb116 ppb
NO23.4 ppb4.9 ppb

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