Sandstorms in Northern China, Horrendous Air Quality

China, Changzhi air quality is so terrible it is off the AQI scale. 2021 Mar 15. aqicn.org

China, Changzhi air quality is so terrible it is off the AQI scale. 2021 Mar 15. aqicn.org

Sandstorms and pollution in China Beijing, 2021 Mar 15, where air quality levels were so terrible they were off the charts.