Kolkata vs Helsinki

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

India
Kolkata
121
Unhealthy for Sensitive Groups
Finland
Helsinki
37
Good
MetricKolkataHelsinki
AQI12137
PM2.551.9 μg/m³7.9 μg/m³
PM1064.5 μg/m³9.2 μg/m³
Ozone72 ppb62 ppb
NO215.5 ppb9.8 ppb

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