Rio de Janeiro vs Johannesburg

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

Brazil
Rio de Janeiro
81
Moderate
South Africa
Johannesburg
83
Moderate
MetricRio de JaneiroJohannesburg
AQI8183
PM2.539 μg/m³52.9 μg/m³
PM1042.7 μg/m³53.9 μg/m³
Ozone53 ppb0 ppb
NO250.8 ppb67.6 ppb

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