Tehran vs Toronto

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

Iran
Tehran
77
Moderate
Canada
Toronto
53
Moderate
MetricTehranToronto
AQI7753
PM2.535.5 μg/m³14.5 μg/m³
PM1050.8 μg/m³14.8 μg/m³
Ozone3 ppb116 ppb
NO287.4 ppb2.4 ppb

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