Guangzhou vs Kolkata

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

China
Guangzhou
171
Unhealthy
India
Kolkata
96
Moderate
MetricGuangzhouKolkata
AQI17196
PM2.577.3 μg/m³45.4 μg/m³
PM1079.4 μg/m³46.4 μg/m³
Ozone2 ppb67 ppb
NO2133.8 ppb13.4 ppb

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