Beijing vs Kolkata

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

Unhealthy for Sensitive Groups

Metric	Beijing	Kolkata
AQI	184	112
PM2.5	156.9 μg/m³	59.4 μg/m³
PM10	163 μg/m³	59.6 μg/m³
Ozone	6 ppb	66 ppb
NO2	45 ppb	16.6 ppb

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