Tehran vs Chennai

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

Iran
Tehran
77
Moderate
India
Chennai
70
Moderate
MetricTehranChennai
AQI7770
PM2.535.5 μg/m³20.8 μg/m³
PM1050.8 μg/m³32.4 μg/m³
Ozone3 ppb68 ppb
NO287.4 ppb14.6 ppb

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

Tehran vs Chennai - Air Quality Comparison | atmos.today