What do you mean by smog when you pass by?

There will be haze in this section. The smog when passing through is a reminder to users when Baidu map software is driving on the road, indicating that there will be smog on this road section and it is necessary to pay attention to safety.

Haze, also known as haze, refers to the turbidity caused by the suspension of a large number of particles such as smoke and dust. The core substance of smog is dust particles suspended in the air, which are called aerosol particles in meteorology. "Shuo Wen Jie Zi" explains: "Wind and rain are also soil. Haze, pictophonetic characters, sounds from rain and raccoons. Original meaning: wind with dust. Er Ya: Rain and wind are cloudy. The wind blows the dust and the soil comes from the bottom. ?

In recent years, the occurrence frequency of "smog" weather phenomenon is getting higher and higher, which leads to the gradual deterioration of air quality. Haze contains hundreds of atmospheric chemical particles, which invade the human respiratory tract and lungs when people are unprepared, thus causing respiratory diseases, cardiovascular diseases, blood systems,

Diseases of reproductive system, such as pharyngolaryngitis, emphysema, asthma, rhinitis, bronchitis, etc. In this environment, lung cancer, myocardial ischemia and injury will be induced for a long time. Smog also often causes traffic accidents. Particles such as dust, sulfuric acid, nitric acid and organic hydrocarbons in the air can also make the atmosphere turbid.

The vision is blurred and the visibility is poor. If the horizontal visibility is less than 65,438+00,000 meters, the visual distance obstacle caused by this non-aquatic aerosol system is called haze or dust haze, and the Hong Kong Observatory calls it haze.