Kolkata vs Chennai

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

India
Kolkata
68
Moderate
India
Chennai
85
Moderate
MetricKolkataChennai
AQI6885
PM2.528.2 μg/m³19.8 μg/m³
PM1046 μg/m³26 μg/m³
Ozone116 ppb148 ppb
NO24.9 ppb3.4 ppb

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