Kolkata vs Montreal

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

India
Kolkata
187
Unhealthy
Canada
Montreal
24
Good
MetricKolkataMontreal
AQI18724
PM2.5117.1 μg/m³2 μg/m³
PM10121.5 μg/m³2.1 μg/m³
Ozone118 ppb44 ppb
NO217.6 ppb13 ppb

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