Kolkata vs Santiago

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

India
Kolkata
121
Unhealthy for Sensitive Groups
Chile
Santiago
155
Unhealthy
MetricKolkataSantiago
AQI121155
PM2.551.9 μg/m³37.6 μg/m³
PM1064.5 μg/m³38 μg/m³
Ozone72 ppb99 ppb
NO215.5 ppb43 ppb

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