London vs Rio de Janeiro

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

United Kingdom
London
51
Moderate
Brazil
Rio de Janeiro
63
Moderate
MetricLondonRio de Janeiro
AQI5163
PM2.516 μg/m³23.5 μg/m³
PM1025.1 μg/m³25.8 μg/m³
Ozone72 ppb27 ppb
NO218.6 ppb41 ppb

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