In fact, in addition to climatic factors, pollutants such as industrial exhaust gas, automobile exhaust, dust in the air, bacteria and viruses in the air are also the 'culprits' that cause smog.5, it must be very fine and it will be difficult for people to breathe. At the same time, under the same inspection standard, the anti-haze effect of masks over 100 yuan is not necessarily better than products within 10 yuan.

However, many Airlaid Paper Company have now launched various masks with functions such as anti-fog, anti-PM2. 1 Store. Note that these two masks are not washable and cannot be reused. Sampling 29 batches of masks and testing 25 batches (4 batches can not be included in the detection range because there is no product information), none of the masks meet the national standard requirements, the minimum filtering effect is only 5%, and the highest is only 82.5 and anti-dust.　　

So, are the popular functional masks on the market really capable of preventing smog? The China Consumers Association has conducted a comparative test of the protective performance of 37 masks on the market. At present, the masks with better anti-fog and haze effect are disposable cup-shaped masks and disposable folding masks made of non-woven material with filtering effect. When you return home, you should immediately wash your face and bare skin; qualified families can install air purifiers, but pay attention to changing the filter frequently when using it. On the day of Lixia, the highest temperature in Beijing was 30℃, but the Beijing Meteorological Observatory issued a yellow haze warning signal.

This article is organized by. Haze days also have a serious impact on human cardiovascular and cerebrovascular diseases, which can impede normal blood circulation, leading to cardiovascular disease, hypertension, coronary heart disease, cerebral hemorrhage, and may induce angina pectoris, myocardial infarction, and heart failure. When you feel an odor in the mask or feel breathless, you should discard it and replace it with a new one.