Kolkata vs Hiroshima

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

India
Kolkata
121
Unhealthy for Sensitive Groups
Japan
Hiroshima
29
Good
MetricKolkataHiroshima
AQI12129
PM2.551.9 μg/m³7.5 μg/m³
PM1064.5 μg/m³10.2 μg/m³
Ozone72 ppb20 ppb
NO215.5 ppb10.7 ppb

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