Beijing vs Kolkata

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

Unhealthy for Sensitive Groups

Metric	Beijing	Kolkata
AQI	152	113
PM2.5	49.7 μg/m³	41.6 μg/m³
PM10	56.6 μg/m³	50.5 μg/m³
Ozone	90 ppb	89 ppb
NO2	57.5 ppb	14.8 ppb

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