Kolkata vs Christchurch

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

India
Kolkata
187
Unhealthy
New Zealand
Christchurch
37
Good
MetricKolkataChristchurch
AQI18737
PM2.5117.1 μg/m³6.7 μg/m³
PM10121.5 μg/m³9.9 μg/m³
Ozone118 ppb51 ppb
NO217.6 ppb0.6 ppb

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