Istanbul vs Kolkata

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

Turkey
Istanbul
42
Good
India
Kolkata
96
Moderate
MetricIstanbulKolkata
AQI4296
PM2.59.9 μg/m³45.4 μg/m³
PM1015.5 μg/m³46.4 μg/m³
Ozone48 ppb67 ppb
NO230.8 ppb13.4 ppb

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