Kolkata vs Oslo

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

India
Kolkata
116
Unhealthy for Sensitive Groups
Norway
Oslo
34
Good
MetricKolkataOslo
AQI11634
PM2.538.1 μg/m³2.3 μg/m³
PM1045.3 μg/m³4.3 μg/m³
Ozone66 ppb68 ppb
NO213.3 ppb2.4 ppb

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