Tianjin vs Johannesburg

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

China
Tianjin
110
Unhealthy for Sensitive Groups
South Africa
Johannesburg
125
Unhealthy for Sensitive Groups
MetricTianjinJohannesburg
AQI110125
PM2.542.5 μg/m³35 μg/m³
PM1068.5 μg/m³35.4 μg/m³
Ozone24 ppb42 ppb
NO264.6 ppb62.6 ppb

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