Kolkata vs Chennai

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

India
Kolkata
116
Unhealthy for Sensitive Groups
India
Chennai
69
Moderate
MetricKolkataChennai
AQI11669
PM2.533.9 μg/m³29.7 μg/m³
PM1044 μg/m³43.4 μg/m³
Ozone145 ppb155 ppb
NO23.4 ppb4.4 ppb

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