Apocalyptic Skies In China Amid Worst Sandstorm In A Decade

The video discusses the severe sandstorm affecting Beijing, China, which is not fog but dust. It highlights the cancellation of over 400 flights and attributes the environmental strain to China's industrial growth and carbon emissions.

What time frame is referred to when discussing the severity of the sandstorm?

What is the duration of the sandstorm mentioned in the text?