Kolkata vs Vienna

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

India
Kolkata
121
Unhealthy for Sensitive Groups
Austria
Vienna
40
Good
MetricKolkataVienna
AQI12140
PM2.551.9 μg/m³3.1 μg/m³
PM1064.5 μg/m³4.7 μg/m³
Ozone72 ppb70 ppb
NO215.5 ppb5.2 ppb

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