Tehran vs Montreal

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

Iran
Tehran
73
Moderate
Canada
Montreal
49
Good
MetricTehranMontreal
AQI7349
PM2.530.5 μg/m³5.6 μg/m³
PM1031 μg/m³5.6 μg/m³
Ozone0 ppb33 ppb
NO2102.4 ppb27.2 ppb

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