Kolkata vs Chengdu

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

India
Kolkata
121
Unhealthy for Sensitive Groups
China
Chengdu
79
Moderate
MetricKolkataChengdu
AQI12179
PM2.551.9 μg/m³12.3 μg/m³
PM1064.5 μg/m³12.6 μg/m³
Ozone72 ppb71 ppb
NO215.5 ppb23.9 ppb

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