Joke Collection Website - Blessing messages - What should I pay attention to in foggy days?
What should I pay attention to in foggy days?
2. Minimize going out in foggy days. ?
3. Protect yourself when going out, wear a special anti-fog PM2.5 mask and anti-fog nose mask, filter PM2.5, and breathe fresh air anytime and anywhere.
4. Avoid exercising in foggy days. You can do morning exercises after the sun comes out. You can also switch to indoor sports.
Don't close the window too tightly. You can choose to open the window for a short time at noon with sufficient sunshine and less pollutants.
6. Try to stay away from the road. The concentration of pollutants is the highest when large cars enter the city during peak hours and at night.
Extended data:
The formation of smoke has three elements:
First, the physical basic source of particulate matter. China has the largest loess plateau in the world, and its soil texture is the easiest to produce granular dust particles.
Second, poor exercise leads to dust. For example, the mud in the middle of the road and the flower beds at the curb will flow to the road when it rains or splashes. It's dry in an hour, and it will produce a lot of dust when it is turned by the wheel.
Thirdly, the basic source of dust and the process of movement difference gather in a certain spatial range, and particles finally gather with water molecules to form haze. At present, in more than 350 cities in the Loess Plateau of China, the three elements of smog structure are quite rich.
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