Fog hit protective masks, air purifiers selling

The haze came again! The Central Meteorological Observatory continued to issue heavy fog yellow warnings and bright yellow warnings: today there are more than half of southern China's Huang Huai areas with fog, and Sichuan, Guizhou, Yunnan, Jiangsu, Shanghai, Fujian and other provinces have dense fog with visibility of less than 1,000 meters. The visibility in the area is less than 500 meters. The areas around Jiangsu and Zhejiang, Hebei, Tianjin, and Shandong were moderately rampant, and there were severe bureaucracy.

On the other hand, the respiratory illnesses on the ten sides of the “Chang” Volt are significantly increased. “Keke, cough, and ...” The coughing sound in the waiting area of ​​the respiratory department of a top-three hospital in Shanghai has come to an end.

The reporter saw the patient who came before the hospital respiratory department. According to hospital nurses, among the patients who came today, there are more patients with asthma and colds. "Approximately 100 people came to the respiratory department in the morning."

"Because there are many pollutants in smog, small molecules such as sulphur dioxide may enter the bloodstream through the airway. The harmful molecules in the smog are deposited in the body and are prone to inflammation and aggravate symptoms. Long-term inhalation prone to cough and rhinitis Bronchitis embolism.” The hospital respiratory and critical medicine medical chief told reporters.

Since November, many cities across the country have been shrouded in haze. Yesterday, Shanghai was once again hit by haze. The concentration of PM2.5 went up all the way. As early as 7 am, it had approached 300 micrograms/cubic meter and was heavily polluted.

Talking about the "sputum" color change respirator, the air-purifier's best-selling worry about smog makes more and more people "talk about it," and at the same time, the community has begun to popularize some tricks to prevent haze: wear a mask, Buy air purifiers... Are these flood prevention skills effective? How can we protect ourselves under the ambiguity of the ten sides? The reporter interviewed some experts and professionals.

In response to hazy weather, the citizens have made various moves and made countermeasures within their limits. The simplest and most effective way is to wear a mask.

Is it common for people to wear regular masks? Some experts pointed out that it is difficult to work because smog is mainly caused by PM2.5. PM2.5 is only one-twentieth of the size of a hair, and ordinary masks are difficult to filter. If you want to effectively purify PM2.5, you need a mask that is thicker and less than 2.5 microns in size.

The reporter learned from Suning Tesco that since November, the site's mask sales have soared. The masks in Beijing and Shanghai are in short supply, and they have to be replenished. “A 3M head-mounted anti-particulate mask sold nearly 20,000 in one week in East China.” The person in charge of Suning's e-commerce market center said that the current home food is under development and “full 100 yuan minus 30 yuan” and “full”. "200 yuan minus 60 yuan" activities, sales of protective masks is a straight line rise.

In addition, according to the above-mentioned person in charge of Suning's e-commerce, the sales of air purifiers have entered a peak period since mid-November. The sales volume has increased by 680% compared with the same period of last year. “The price of air purifiers between 3,000 yuan and 4,000 yuan is the best. The sale of a 3,400-plus Philips air purifier sold over 3,000 units a day."

Experts suggest that children, the elderly and people with heart disease, lung disease, and other chronic diseases should stay indoors and suspend outdoor activities. The general population should reduce outdoor activities and minimize window ventilation. Outdoor workers should take necessary protective measures.