Kolkata vs Tallinn

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

India
Kolkata
187
Unhealthy
Estonia
Tallinn
40
Good
MetricKolkataTallinn
AQI18740
PM2.5117.1 μg/m³1.8 μg/m³
PM10121.5 μg/m³2.6 μg/m³
Ozone118 ppb48 ppb
NO217.6 ppb2.4 ppb

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