Kolkata vs Beijing

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

Unhealthy for Sensitive Groups

Metric	Kolkata	Beijing
AQI	116	152
PM2.5	32.2 μg/m³	49.7 μg/m³
PM10	43.4 μg/m³	56.6 μg/m³
Ozone	103 ppb	90 ppb
NO2	11.4 ppb	57.5 ppb

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