Kolkata vs Christchurch

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

India
Kolkata
58
Moderate
New Zealand
Christchurch
12
Good
MetricKolkataChristchurch
AQI5812
PM2.517.2 μg/m³1.1 μg/m³
PM1019.4 μg/m³1.4 μg/m³
Ozone75 ppb52 ppb
NO28.5 ppb1.3 ppb

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