What kind of mask is most effective in hazy weather?

Haze weather is relatively common. Many cities will experience haze days. Not only will visibility be low in haze days, they will also have an impact on the respiratory system and may cause some respiratory diseases. You need to wear a mask. There are many types of masks to choose from to prevent harm caused by haze. So which kind of mask is more effective in haze weather? How to correctly choose an anti-smog mask?

1. How to choose a mask

1. Cotton mask

Cotton mask is the most common mask with many styles and is very popular. However, wearing There is a gap between such a mask and the face, and cotton masks cannot block fine dust. Sometimes even large particles of dust can pass through, which is ineffective in preventing smog.

2. Medical masks

Many people hear about medical masks and think that such masks should be omnipotent, but this is not the actual situation. Medical masks actually have the same problems as cotton masks, so they are not effective in preventing haze.

3. Professional masks

In order to prevent the damage caused by smog, professional masks are the choice of many people. N95 is a mask that many people are familiar with. This kind of mask has a lower concentration of PM2.5 There is no pressure in the situation. Many people think that as long as they wear it, everything will be fine. In fact, this kind of mask is not suitable for long-term wear due to its good sealing, otherwise it can easily cause hypoxia.

4. Warm reminder

Although friends who do not go out at home do not need to wear masks, for the sake of health, you can configure some air purifiers to reduce the harm of haze to the human body.

2. Precautions for wearing a mask

1. Do not wear it when you should wear it

Influenza season, haze days, sandy days, illness and Everyone should wear a mask when going to the hospital to see a doctor. In winter, it is best for the elderly and frail people with low immunity to wear masks when going out.

2. Don’t be partial to colored masks

Most fashionable colored masks are made of chemical fiber fabrics, which have poor air permeability and chemical irritating smell, which can easily cause damage to the respiratory tract. However, qualified masks Masks are made of gauze and non-woven fabrics. Zhou Rongbin reminded that fashion mask manufacturers are not as professional as medical mask manufacturers, and their ability to intercept germs is the worst.

Recommendation: Please refer to the "Protection Index Ranking" when purchasing: N95 and other medical masks with higher safety factors, medical disposable masks, white cotton masks, and fashionable masks with patterns.

3. Don’t put it away after wearing it

It is unscientific to put it away after use and not clean it in time. After wearing a mask for 4-6 hours, many germs will accumulate. After wearing it, you should fold the mask first, fold the side closest to the mouth and nose inside, then put the mask into a clean bag, and finally put it into your bag or pocket. Masks need to be washed every day and left to dry in the sun. Bacteria can also breed when placed on a radiator.

4. Don’t wear a mask when running

The recent haze weather in the Beijing-Tianjin-Hebei region has continued, causing many friends who love outdoor sports to suffer. Some people choose to suspend outdoor activities, while others choose to continue wearing masks. However, doctors suggest that since the demand for oxygen during outdoor exercise is greater than usual, masks may lead to poor breathing or even organ hypoxia, which may have very serious consequences.

5. Do not affect the line of sight

After wearing the mask, it should be able to cover most of the area below the mouth, nose and eye sockets. The edges of the mask should be close to the face, but be careful not to affect the eyesight. sight.

6. Don’t wear a mask for too long

Wearing a mask for a long time will not only affect breathing, hinder the exchange of oxygen and the excretion of carbon dioxide, make people feel suffocated, but also damage the nasal mucosa. It becomes fragile and loses the original physiological functions of the nasal cavity, which may cause other diseases. Therefore, it is best not to wear a mask when the air quality is good and the temperature is not particularly low.

7. Pay attention to the cleanliness of the mask

The two sides of the mask cannot be used interchangeably; when not wearing the mask, the side close to the mouth and nose should be folded inward and placed in a clean container ; Used masks should be washed once a day and exposed to sunlight thoroughly.