Kolkata vs Tehran

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

India
Kolkata
187
Unhealthy
Iran
Tehran
85
Moderate
MetricKolkataTehran
AQI18785
PM2.5117.1 μg/m³25.9 μg/m³
PM10121.5 μg/m³30.3 μg/m³
Ozone118 ppb0 ppb
NO217.6 ppb71.1 ppb

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

Kolkata vs Tehran - Air Quality Comparison | atmos.today