Kolkata vs Calgary

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

India
Kolkata
57
Moderate
Canada
Calgary
52
Moderate
MetricKolkataCalgary
AQI5752
PM2.517.5 μg/m³6.4 μg/m³
PM1019.9 μg/m³6.9 μg/m³
Ozone73 ppb93 ppb
NO28.6 ppb2.8 ppb

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