Beijing was hit by a sandstorm. How to protect it?

The Beijing Meteorological Observatory issued the blue warning signal of sand and dust on June 4th, 65438 16: 30. Affected by the Mongolian cyclone, it is estimated that there will be dusty weather in most parts of Beijing from the afternoon of April 15 to the first half of the night, with a minimum visibility of about 6 kilometers. ?

How to defend against dusty weather?

Don't go out unless you have to. When you are going out, you must protect yourself. Wear hats, scarves and other dust-proof appliances to avoid the damage of sandstorms to skin, hair and ears; Wearing a mask, there will be floating dust, inhalable particles and fine particles in dusty weather. Wearing a mask can reduce the damage of sandstorm to respiratory tract. Wear glasses or goggles. If the wind and sand accidentally enter your eyes, don't rub it with your hands. Rinse with running water or drop eye drops as soon as possible. When you go out and enter the room, wash your hands, face and nose immediately.

What are the hazards of sandstorms?

Sandstorm weather is a weather phenomenon that the wind sucks ground dust and sand into the air, making the air turbid. Sand blowing, floating dust and sandstorm all belong to sandstorm weather. It is one of the main disastrous weather in northwest China and northern North China. The occurrence of dusty weather often causes great losses to the lives and property of local people. It can cause house collapse, traffic power supply blocked or interrupted, fire, human and animal casualties and so on. Pollution of the natural environment and destruction of crop growth. Meteorological data show that the early spring season is caused by dusty weather in parts of Beijing and China? Multiple periods? The frequency of sandstorms is the highest in March and April in spring. ?

What are the main types of dusty weather?

Dust weather is mainly divided into three categories: floating dust, sand blowing and sandstorm: floating dust. A weather phenomenon in which dust and fine sand float evenly in the air, making the horizontal visibility less than 10 km; Sand blowing: a weather phenomenon in which the wind blows up dust on the ground, making the air quite turbid and the horizontal visibility is within the range of 1 km to1km; Sandstorm: a weather phenomenon in which strong winds blow a lot of dust on the ground, making the air very turbid and the horizontal visibility is less than 1 km. Strong sandstorm is a weather phenomenon in which strong winds blow up dust on the ground, making the air very turbid and the horizontal visibility is less than 500 meters.