Tianjin vs Johannesburg

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

China
Tianjin
115
Unhealthy for Sensitive Groups
South Africa
Johannesburg
172
Unhealthy
MetricTianjinJohannesburg
AQI115172
PM2.552.6 μg/m³145.3 μg/m³
PM10130.4 μg/m³146.7 μg/m³
Ozone18 ppb23 ppb
NO275.6 ppb74 ppb

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