Tehran vs Toronto

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

Iran
Tehran
93
Moderate
Canada
Toronto
43
Good
MetricTehranToronto
AQI9343
PM2.538.6 μg/m³18.1 μg/m³
PM1039.7 μg/m³18.4 μg/m³
Ozone8 ppb90 ppb
NO2111.6 ppb14.2 ppb

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