London vs Rio de Janeiro

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

United Kingdom
London
22
Good
Brazil
Rio de Janeiro
81
Moderate
MetricLondonRio de Janeiro
AQI2281
PM2.54.2 μg/m³39 μg/m³
PM108 μg/m³42.7 μg/m³
Ozone50 ppb53 ppb
NO28 ppb50.8 ppb

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