Should I close the doors and windows when it is foggy?

Try not to open the window when the foggy weather escalates; If you really need to open the window for ventilation, try to avoid the morning and evening smog peak hours when opening the window. You can open a crack in the window to prevent the wind from blowing in directly, and the ventilation time should be half an hour to one hour at a time.

Fog refers to the weather phenomenon that there are countless small water droplets or small ice crystals suspended in the air near the ground, resulting in horizontal visibility less than 500 meters.

A large number of small water droplets or ice crystal particles are suspended in the air near the lower level, which makes people's vision blurred. When the horizontal visual distance of relevant personnel drops below 1000 meters, it is called fog.

At night and early morning, the weather is clear and breezy, the water vapor near the ground is rich and relatively stable, and there are meteorological conditions for fog formation.

Fog is a visible aggregate of a large number of tiny milky white water droplets and ice crystals suspended in the near-surface atmosphere. According to the visibility, it can be divided into five grades: light fog, heavy fog, heavy fog, strong fog and extra-strong fog.

What should I do in foggy weather?

For different levels of fog warning, the defense measures of relevant units and individuals are also different. However, in general, pay attention to the following four points:

1. Try not to go out. Wear a mask when you have to go out.

2. Try to exercise as little as possible in foggy days, and don't exercise in foggy days.

3, pedestrians should be careful when crossing the road, should see the traffic.

4, driving vehicles and cars to slow down, listen to the traffic police command, don't grab a car (boat), when the ferry stops, don't crowd at the ferry.