Tokyo vs Tehran

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

Japan
Tokyo
66
Moderate
Iran
Tehran
73
Moderate
MetricTokyoTehran
AQI6673
PM2.528.3 μg/m³30.5 μg/m³
PM1032.6 μg/m³31 μg/m³
Ozone52 ppb0 ppb
NO242.3 ppb102.4 ppb

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