The Ministry of environmental protection to explain why the air quality burst table: the most polluted over the few over the weekend, heavy pollution weather not only attacked the Beijing Tianjin Hebei, also affected the northeast region, and then along the Harbin Dalian railway line South extension to the Shandong Peninsula, Jiangsu and Northern Anhui, a total of 6 affected provinces more than and 30 city, spanning more than 1 thousand and 600 kilometers, a number of city air quality burst table". Experts said the Ministry of environmental protection, the extent of pollution, the impact of a wide range of years less". In order to analyze the causes of heavy pollution, heavy pollution sources to find out, on the suggestion of prevention and control the next step, the Ministry of environmental protection in November 6th organized the meeting. Gong Zhengyu, director of the China environmental monitoring station, director of the air chamber, said on November 2nd ~6, China’s northeast, North and East China, a wide range of heavy pollution process. There have been 10 city AQI in Northeast China (air quality index) reached the highest value of 500, including 3 in AQI city of Heilongjiang Harbin City, Suihua city and Daqing City reached 500 of the duration was 14 hours, 23 hours and 24 hours. Harbin City, the most serious pollution, in November 4th, PM2.5 day average and hourly value of 704 micrograms cubic meters and a total of 1281 micrograms cubic meters, PM2.5 hours in Daqing also more than 1000 micrograms cubic meters. 5, to further expand the scope of pollution in Northeast China, Harbin City, Mudanjiang City, Jilin City, Qitaihe City, Dalian City, Jinzhou City, Huludao City, 7 hours of AQI city is heavily polluted, Qigihar City, Daqing City, Suihua City, Songyuan City, Anshan City, Changchun City, Yingkou City, Liaoyang city Benxi City, Panjin City, Baicheng City, Shuangyashan City, Fuxin City, 13 city AQI hours for the serious pollution, which reached a maximum value of 500 Changchun City, Songyuan City, Shenyang City, Dalian City, Anshan City, Baicheng City, Liaoyang city and Yingkou city of Anshan City, AQI hours, PM2.5 hours more than 1000 micrograms per cubic meter. The night of 5 to 6 in the morning, affected by pollution transport in Northeast China, Shandong city of Yantai Province, Weifang City, Qingdao City, Rizhao City, Zaozhuang City, Jiangsu Province, Xuzhou City, Suqian City, Anhui Province, Huaibei city and Bozhou city have severe pollution. Beijing, Tianjin and the surrounding areas during this period also experienced a heavy pollution process, pollution is mainly concentrated in Hebei, Beijing, Tianjin and Shanxi and other places, including a number of cities in Shanxi for a long time heavy pollution. 4 pm, Beijing, Tianjin and other cities to reach the peak concentration of PM2.5. 5, Beijing, Tianjin and surrounding areas gradually ease the degree of air pollution, the city of Beijing and the surrounding 6 air quality is good. "Such a large range of occurrence of heavy pollution weather at the same time, the main reason is the excessive emissions of air pollutants, which is the internal reasons, and adverse weather conditions is an important incentive", Chinese Environmental Science Research Institute researcher Cai CDCC said that a wide range of heavy pollution weather process occurred in winter in the northeast, there have been 4 year. The northeast, East China, a wide range of pollution processes, began on November 3rd ~4 Heilongjiang.相关的主题文章:

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