Why are sandstorms so serious in Beijing?

The causes of serious sandstorms in Beijing are geographical location, weather conditions, human activities, climate change, etc.

1. Geographical location

Beijing is located in the north of my country. Most of the surrounding areas are deserts, deserts and arid areas. Sandstorms can easily spread from surrounding areas to Beijing.

2. Weather conditions

The occurrence of sandstorms requires dry weather conditions with strong winds. In Beijing, the climate is dry in spring and the winds are relatively strong, making sandstorms easy to form.

3. Human activities

Human activities are also one of the causes of serious sandstorms in Beijing. Urbanization and human activities have led to over-cultivation, over-grazing, and over-mining of land, which can easily lead to land desertification and desertification, further aggravating the occurrence of sandstorms.

4. Climate change

Climate change is also one of the causes of serious sandstorms in Beijing. Global warming is causing Arctic glaciers to melt, affecting the climate in East Asia and further exacerbating the occurrence of sandstorms.

Common knowledge on health protection during sandstorms:

1. If you need to go out during sandstorms, residents should bring dust-proof supplies such as masks or gauze towels.

2. When a sandstorm has occurred, residents should close doors and windows in time to prevent sand and dust from entering the room. Indoors, you should use a humidifier, sprinkle water or mop the floor with a wet mop to clean the dust and keep the air humidity appropriate to avoid dust flying.

3. When people enter indoors from outdoors in windy and sandy weather, they should wash their faces in time, rinse their mouths with water, clean their nasal cavities, take a bath if possible, and change clothes in time.

4. When sandstorms occur, people who are sensitive to sandstorms should not go outdoors for activities. People with myopia should not wear contact lenses.

5. Once dust blows into the eyes during sandy weather, do not rub it with dirty hands. Rinse with water or drop eye drops as soon as possible to keep the eyes moist and easy for the dust to flow out.