A big wave of smog is coming, please prepare in advance
The snowy weather has passed the cold unexpectedly, especially in the past week, the wind in the north is like a knife on the face! Fortunately, the cold will be eased next week, the forecast shows that the wind will be reduced, but the wind is less, It will bring another thing that is more troublesome - smog. According to the official Weibo of the Ministry of Environmental Protection, there will be moderate pollution and pollution in North China in the next few days. In recent years, people have already "smelled the smog". Although the whole people are aware of the various hazards of smog, the atmospheric management work has begun to bear fruit, but the overall victory still has a long way to go. Therefore, we need to correctly understand the haze, rationally treat the haze, and scientifically and rationally reduce the harm of haze to our body. The smog has existed for several years, especially when it comes to winter smog. It has become a hot search for the Internet. The causes and harms of smog have already been familiar to everyone. It is precisely because people have been "accustomed" to the smog, so many of the "prescriptions", "coups" and "tips" about the prevention and control of smog are endless, but these so-called "anti-mite, life-saving" prescriptions are not necessarily Reliable, it will even bring other harm to our body. For example, it has been rumored that "animal blood (such as pig blood, duck blood) has anti-caries effect, can reduce or even avoid damage to the lungs caused by smog and particulate matter." Experts have confirmed that animal blood has only nutritional effects and other foods. It does not have the effect of protecting the lungs at all. In addition, animal blood is prone to deterioration during circulation, and it also causes other harm to the human body. It is not recommended that the population excessively use animal blood. The management of smog is still going on, but there is still a long way to go. Therefore, people should face up to the smog and reduce the harm of smog to the body. This is the first task when the smog comes. Greatly reduce the harm of smog to the body. First, smog days to minimize exposure to outdoor time When the smog strikes, the outdoor activities that can be reduced are minimized. For example, outdoor morning exercises and night running activities are avoided as much as possible. It can be changed to indoor simple exercise, doing yoga, doing push-ups, getting up, etc. . Second, go out wearing a mask No matter how serious the smog is, it is impossible to go out. Therefore, it is necessary to do personal protection when going out in the fog. The simplest and most effective way is to wear a mask. However, the type of masks directly determines the protective effect. First of all, the protective effect of ordinary warm masks is definitely minimal. In addition, don't be superstitious about the star effect. There used to be a star mask that is popular all over the net, and the price is as high as tens of dollars. It is reported that the mask has almost no protective smog effect. This mask was originally used to protect pollen. The choice of masks for smog days should choose those masks that are regularly produced and sold by regular manufacturers and have clear filtering functions. It is recommended to choose KN90 or KN95 filter masks (KN90 or KN95 is the national standard GB2626-2006 "Respiratory protective equipment self-priming filter type Two levels of protection in the particulate respirator standard, KN90 is greater than 90% for non-oily particulates above 0.075 microns and KN95 is greater than 95% for non-oily particulates above 0.075 microns). General regular supermarkets, Jingdong Mall, Tmall stores can buy KN90 or KN95 filter masks. So how do you identify whether the mask you purchased meets the KN90 or KN95 standards? Find the product certification information on the product packaging or e-commerce details page. The following picture "conforms to the national standard GB2626-2006KN90" indicates that this product is KN90. At present, there are 3M, Green Shield, Honeywell, and famous masks for consumers who have better feedback on the market and the results of authoritative organizations. In addition, the fit of the mask and the face also directly determines the protective effect of the mask. The type and brand of the mask are selected, and the size of the mask is also selected. It is recommended not to purchase a large amount at a time when purchasing, and if it is found to be inappropriate, it should be replaced as soon as possible. In addition, the masks are worn by ear hooks and head-mounted types. Both types have advantages and disadvantages, ear-hanging comfort is better, single fit is poor, and head-fit fit is replaced, but the comfort is poor. If the weather is more than the polluted weather, it is recommended to buy a head-mounted type with better fit. Generally, the weather-proof ear-hook type can also cope. Third, the family uses air purifiers The fog is good or the sky is over, and most people spend more than half of their time at home. Therefore, the protection of indoors in the fog is especially important. Authoritative research has confirmed that the fog and fog protect the fog by closing the doors and windows. The effect is very small, because the main component of the smog is tiny particles of the diameter of the micron, and the gap between the door and the window is only a few millimeters, so the particles such as mp2.5 pass through the gap between the door and window as smooth as the highway. Real-time proof that the simplest and most effective way to protect in the fog is to use an air purifier. Now there are more than 600 air purifier brands on the market, with more than tens of thousands of product models, and the function points are also varied. Therefore, consumers must choose to clean the eyes when choosing an air purifier to choose a truly effective air purifier. So how should the air purifier be chosen? First of all, we must choose the products that meet the new national standard. The new national standard is the GB/T 18801-2015 "New National Standard for Air Purifiers" promulgated on September 1, 2015. The device needs to be "three high and one low", that is, high CADR (air cleanliness per unit time), high CCM (cumulative clean amount), high energy efficiency (maximum CADR / rated power), and low noise. The CADR value determines the purifying speed of the air purifier. The larger the CADR value, the faster the purifying speed. The general family recommends selecting a product with a CADR value of 400-800. The higher the CCM, the longer the service life is. The higher the CCM value, the higher the filter price and The higher the later use cost, it is recommended to choose CCM (particulate matter) 30000-50000, CCM (formaldehyde) 1800-3200 is the most economical; the higher the energy efficiency ratio, the more energy saving, the smaller the noise, the better the experience. Then there is the choice of the brand. First, don't be superstitious about foreign capital and joint venture brands. CCTV has tested and compared four brands of foreign brands air purifiers and four domestic brand air purifiers. The test results show that all aspects of domestic air purifiers are more performance. Winning. In addition, to avoid greed and cheap to buy those small brands, Internet brand products, once a certain network red air purifier was burst out, in the case of the filter protective film unopened, the product can be shown to be effective and clean, is a psychological comfort product. In addition, according to Zhongyikang's public data, the market exit rate of the air purifier brand is increasing. The air purifier filter is used as a consumable. If a small brand or an internet brand product is purchased, once the brand withdraws from the market, there is no guarantee after the sale. In the choice of air purifier brand, it is best to choose those domestic big brand products, it is recommended to buy a domestic big brand like Haier, the first brand big products will be guaranteed after sale, the second big brand will never allow the prime number, shoddy Products enter the market, and the third domestic brands like Haier have sufficient technical strength. Finally, in addition to smog, air pollution in the home, as well as formaldehyde, dust, pollen and other pollution, it is recommended that consumers develop the habit of using air purifiers to reduce the harm of various types of household air pollution to the human body. Fourth, enhance their physical fitness to reduce the haze When the smog came, although we made a lot of efforts, it will inevitably cause some harm to us, so we need to strengthen physical exercise and enhance physical fitness. When the smog comes, drink plenty of water, speed up metabolism, reduce the residence time of harmful substances in the body, and eat more fruits and vegetables to reduce greasy and spicy, you can eat more oranges, oranges, Sydney, melon, radish, lotus root, etc. These foods contain high dietary fiber and vitamins on the one hand, and have a certain throat-clearing effect on the other hand. The atmospheric management in the country is going on and it is beginning to bear fruit. However, there is still a long way to go to completely cure the air pollution. Although the smog is not so heavy, it will still come. Therefore, in addition to reducing the atmospheric emissions, we must do the above four points to minimize the harm of smog on our bodies. 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