Kolkata vs Chengdu

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

India
Kolkata
116
Unhealthy for Sensitive Groups
China
Chengdu
138
Unhealthy for Sensitive Groups
MetricKolkataChengdu
AQI116138
PM2.538.1 μg/m³72.6 μg/m³
PM1045.3 μg/m³143.9 μg/m³
Ozone66 ppb56 ppb
NO213.3 ppb27.8 ppb

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