Kolkata vs Oslo

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

India
Kolkata
121
Unhealthy for Sensitive Groups
Norway
Oslo
34
Good
MetricKolkataOslo
AQI12134
PM2.551.9 μg/m³3.4 μg/m³
PM1064.5 μg/m³4.5 μg/m³
Ozone72 ppb55 ppb
NO215.5 ppb4.7 ppb

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