Traditional Culture Encyclopedia - Weather inquiry - When will the dusty weather end?

When will the dusty weather end?

Dust weather usually ends in about 3 to 7 days.

Dust weather is a common natural phenomenon, which usually appears in spring and autumn. This weather phenomenon will have a great impact on people's life and work, because it will cause problems such as reduced visibility and air pollution. Sandstorm weather is a weather phenomenon caused by strong winds blowing up dust, dust and other substances.

In China, the dusty weather is mainly caused by the desert dust in Mongolia and North China being blown to other areas by the wind. This weather phenomenon usually occurs in spring and autumn, because the climatic conditions in these two seasons are more suitable for the formation of sandstorm weather.

Generally speaking, dusty weather lasts for several days to several weeks, depending on meteorological conditions and geographical location. In China, dusty weather usually lasts for 3 to 7 days, but it may last longer.

Harm of sandstorm

1. Environmental pollution: When there is a sandstorm, there is sand and floating dust wrapped by strong winds everywhere, and people passing through this area are turbid, choking nose and eyes, respiratory diseases and other diseases increase. For example, a severe sandstorm occurred in Jinchang on May 5, 1993, and the dust content of outdoor air was 10 16mm/cm3.

2. Production and life are affected: a large amount of dust carried by sandstorm weather blocks the sun, and the weather is gloomy, resulting in a decrease in solar radiation. The visibility difference is several hours to more than ten hours, which can easily make people feel depressed and reduce the efficiency of work and study. In severe cases, a large number of fertile farmland, seeds and seedlings will be scraped away.

3. Affect traffic safety: Sandstorm weather often affects traffic safety, resulting in aircraft not taking off or landing normally, causing cars and train carriages to be damaged, stopped or derailed.