Kolkata vs Chennai

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

India
Kolkata
112
Unhealthy for Sensitive Groups
India
Chennai
52
Moderate
MetricKolkataChennai
AQI11252
PM2.559.4 μg/m³4 μg/m³
PM1059.6 μg/m³4.6 μg/m³
Ozone66 ppb48 ppb
NO216.6 ppb7.8 ppb

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