Kolkata vs Hiroshima

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

India
Kolkata
57
Moderate
Japan
Hiroshima
32
Good
MetricKolkataHiroshima
AQI5732
PM2.517.5 μg/m³5.6 μg/m³
PM1019.9 μg/m³8 μg/m³
Ozone73 ppb30 ppb
NO28.6 ppb7.6 ppb

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