Nanjing vs Rio de Janeiro

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

China
Nanjing
155
Unhealthy
Brazil
Rio de Janeiro
81
Moderate
MetricNanjingRio de Janeiro
AQI15581
PM2.546.2 μg/m³39 μg/m³
PM1053.9 μg/m³42.7 μg/m³
Ozone47 ppb53 ppb
NO256.3 ppb50.8 ppb

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