Kolkata vs Tallinn

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

India
Kolkata
121
Unhealthy for Sensitive Groups
Estonia
Tallinn
42
Good
MetricKolkataTallinn
AQI12142
PM2.551.9 μg/m³10.9 μg/m³
PM1064.5 μg/m³12.4 μg/m³
Ozone72 ppb90 ppb
NO215.5 ppb6.1 ppb

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