Kolkata vs Santiago

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

Unhealthy for Sensitive Groups

Metric	Kolkata	Santiago
AQI	116	166
PM2.5	38.1 μg/m³	84.1 μg/m³
PM10	45.3 μg/m³	84.8 μg/m³
Ozone	66 ppb	58 ppb
NO2	13.3 ppb	128.1 ppb

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