Hanoi vs Rio de Janeiro

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

Vietnam
Hanoi
153
Unhealthy
Brazil
Rio de Janeiro
81
Moderate
MetricHanoiRio de Janeiro
AQI15381
PM2.583.4 μg/m³39 μg/m³
PM1083.8 μg/m³42.7 μg/m³
Ozone59 ppb53 ppb
NO249.3 ppb50.8 ppb

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