London vs Rio de Janeiro

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

United Kingdom
London
57
Moderate
Brazil
Rio de Janeiro
62
Moderate
MetricLondonRio de Janeiro
AQI5762
PM2.58.7 μg/m³24.9 μg/m³
PM1016.7 μg/m³28.5 μg/m³
Ozone83 ppb180 ppb
NO213.7 ppb18.1 ppb

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