Tehran vs Toronto

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

Iran
Tehran
73
Moderate
Canada
Toronto
39
Good
MetricTehranToronto
AQI7339
PM2.530.5 μg/m³10.7 μg/m³
PM1031 μg/m³10.8 μg/m³
Ozone0 ppb61 ppb
NO2102.4 ppb34.3 ppb

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