Is the air quality good in Guangdong?

In 2007, the number of foggy days in Dongguan, Foshan, Shenzhen, Guangzhou and Zhaoqing all exceeded 100, and in Dongguan it was as high as 2 13.

On September 26th, 2008, Zhong Nanshan, an academician of China Academy of Engineering who just won the first Guangdong Outstanding Contribution Award for Science and Technology, arrived in Zengcheng, Guangzhou on September 27th, giving a popular science lesson on "Air, Water and Health" to 800 Zengcheng cadres.

65438+1October, the smog is serious165438+1October.

Old people and children had better do indoor sports instead.

Zhong Nanshan first showed the smog foreground map of Ersha Island and jiefang bridge in February 2007. On the map, the scenery seems to be shrouded in thick white fog, which is the worst day in Guangzhou's history. According to statistics, in 2004, there were the most foggy days in Guangzhou, reaching 140 days. In 2007, it reached 130 days.

"These polluted air, because everyone breathes more than 20,000 times a day, means that more than 65,438+100,000 liters of such gas enters and exits our bodies."

In addition to acute poisoning, a large number of polluted air also shows chronic inflammatory damage, the most prominent of which is chronic obstructive pulmonary disease: suspended particles in the air are deposited in the human lungs and cannot be discharged normally, resulting in narrowing and blockage of the lungs. "I once said that Guangzhou people over the age of 50 have black lungs, and a reporter came to question me. I later consulted some surgeons and they all confirmed that what I said was right. "

According to historical statistics, the annual smog appears most intensively in Guangzhou 10 and 1 10. According to the statistics of Guangzhou Institute of Respiratory Diseases, 10 the number of patients in recent months has increased by more than 15% compared with the same period of last month. "In June 5438+ 10 and June 5438+065438+ 10, the smog in Guangzhou was serious, and the elderly and children with weak constitution had better cancel outdoor exercise and exercise indoors instead."

Another serious hazard of air pollution is cancer, especially lung cancer. According to the statistics of Zhong Nanshan, from 1970s to 1990s, the index of lung cancer among Guangzhou women soared from 16% to 38%, and lung cancer became the largest malignant tumor in 14, accounting for 33. 1%.

Zhong Nanshan also pointed out that due to the different air pollution levels in different districts, the cancer incidence rate in Guangzhou varies greatly, with Liwan District having the highest cancer incidence rate of 37.9/65438+ 10,000, followed by Yuexiu with 35.9/65438+ 10,000. "Because of the dense population and the tradition of burning coal in Xiguan area, the concentration of sulfur dioxide in the air is high, and the impact of carcinogens on the body may take 5~ 10 years to appear."

In the "class", Zhong Nanshan specially reminded everyone to pay attention to two viruses that can spread through the air. The first one is SARC virus. It has been confirmed that there is no SARSC virus in human body, but it still exists in bats. What worries Zhong Nanshan is that since the autumn wind, many people have started to "move their fingers" in the game again. He is worried that there is still a secret market to trade civet cats, and advises those who are addicted to the game not to let it hurt.

In the pictures collected by Zhong Nanshan, it was found that in some raw poultry markets in Guangzhou, there was actually a "yellow-green doctor" pulling teeth for patients next to the chicken stall! It has been confirmed that avian influenza virus may spread through the air.

Zhong Nanshan thinks that the coming June 1 1 will be the high incidence period of avian influenza, and he has suggested to Guangzhou Mayor Zhang Guangning to pay close attention to avian influenza.

The Pearl River has been polluted for twenty or thirty years.

You can't ask for immediate governance.

With regard to water pollution, the statistical data produced by Zhong Nanshan show that only the water sources in the upper reaches of Liuxi River and Zengjiang River meet the second to third class quality water source standards, and other 19 river projects can only meet the fourth class water standard. In the Guangzhou Asian Games, dragon boat racing, basketball and flying saucer shooting will be held in Zengcheng, and Zhong Nanshan can take the lead in realizing "blue sky, green mountains and green water to welcome the Asian Games". Regarding the annual crossing of the Pearl River, Zhong Nanshan said that it is true that the current Pearl River water is not suitable for swimming and there is no measure. "However, crossing the Pearl River shows the determination of the Guangzhou Municipal Government to manage the Pearl River well. In fact, the Pearl River water has been much better in the past two years and is gradually improving. " Zhong Nanshan wants to explain to the people in the city through reporters that it will take 30 to 40 years for the Thames to be well managed, and the pollution of the Pearl River water has accumulated for 20 to 30 years, so it is even more difficult to require immediate treatment.

long-distance runner

16% suffered from asthma and rhinitis.

Zhong Nanshan said: "I am most worried that air pollution may cause allergic rhinitis, asthma and other diseases."

According to the data collected by Zhong Nanshan, athletes are highly allergic to air pollution, which is obviously higher than the crowd. Especially in long-distance running and swimming, 65,438+06% athletes have asthma and rhinitis. American diving star louganis and track and field star Coiner all have asthma symptoms. At the Beijing Olympic Games, there were cyclists wearing masks. "Learning from the successful hosting of the Beijing Olympic Games is to catch air pollution eight years in advance." There are only two years left in the Guangzhou Asian Games. So, Zhong Nanshan felt very urgent. "Smog and nitrogen oxides must be treated, but the most important thing is automobile exhaust pollution!" At present, the air pollution in Guangzhou has changed from soot pollution to automobile exhaust pollution.