Rio de Janeiro vs Johannesburg

Live air quality comparison. Rio de Janeiro has cleaner air right now.

Brazil
Rio de Janeiro
62
Moderate
South Africa
Johannesburg
156
Unhealthy
MetricRio de JaneiroJohannesburg
AQI62156
PM2.522.1 μg/m³52 μg/m³
PM1024.5 μg/m³52.9 μg/m³
Ozone29 ppb13 ppb
NO241 ppb65 ppb

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