Kolkata vs Chennai

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

India
Kolkata
57
Moderate
India
Chennai
63
Moderate
MetricKolkataChennai
AQI5763
PM2.510.9 μg/m³15.3 μg/m³
PM1013.4 μg/m³23.7 μg/m³
Ozone52 ppb56 ppb
NO28 ppb14.7 ppb

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