Tehran vs Montreal

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

Iran
Tehran
77
Moderate
Canada
Montreal
39
Good
MetricTehranMontreal
AQI7739
PM2.538.1 μg/m³6.8 μg/m³
PM1046.1 μg/m³7.2 μg/m³
Ozone10 ppb82 ppb
NO275.3 ppb3.1 ppb

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