Tehran vs Montreal

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

Iran
Tehran
93
Moderate
Canada
Montreal
32
Good
MetricTehranMontreal
AQI9332
PM2.538.6 μg/m³3.6 μg/m³
PM1039.7 μg/m³3.8 μg/m³
Ozone8 ppb80 ppb
NO2111.6 ppb4.7 ppb

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