Kolkata vs Tehran

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

India
Kolkata
119
Unhealthy for Sensitive Groups
Iran
Tehran
77
Moderate
MetricKolkataTehran
AQI11977
PM2.555.3 μg/m³35.5 μg/m³
PM1070.1 μg/m³50.8 μg/m³
Ozone70 ppb3 ppb
NO217.7 ppb87.4 ppb

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

Kolkata vs Tehran - Air Quality Comparison | atmos.today