Kolkata vs Vienna

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

India
Kolkata
58
Moderate
Austria
Vienna
48
Good
MetricKolkataVienna
AQI5848
PM2.517.2 μg/m³11.6 μg/m³
PM1019.4 μg/m³15.3 μg/m³
Ozone75 ppb47 ppb
NO28.5 ppb11.8 ppb

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