Kolkata vs Tallinn

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

India
Kolkata
58
Moderate
Estonia
Tallinn
39
Good
MetricKolkataTallinn
AQI5839
PM2.517.2 μg/m³5.4 μg/m³
PM1019.4 μg/m³6.5 μg/m³
Ozone75 ppb52 ppb
NO28.5 ppb10.1 ppb

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