In First Half of Year, Dalian Harvested 166 Excellent Days, Concentration and Ranking of PM10 were Best in Same Period
2022-08-04 13:49

A few days ago, the Ministry of Ecology and Environment issued a circular: In June, among the 168 key cities in China, Dalian ranked 15th with an average monthly concentration of 23 μ g/m3, becoming the only city in the north of the Yangtze River to be selected as the top 20. The average monthly concentration of PM10 entered "20 +" for the first time, and both the concentration and ranking were the best in the same period of history. From January to June, the city harvested 166 excellent days, and the proportion of days reaching the standard was 91.7%, up 7.2 percentage points year-on-year; PM10, PM2.5 and NO2 decreased by 25%, 18% and 7% respectively, ranking 20th in the list of air quality changes in 168 key cities.


The heavy list is the yearning and pursuit of Dalian's perseverance in the blue sky, and it is the fruit of adhering to scientific pollution control, precise pollution control and pollution control according to law, and thoroughly implementing various measures and actions for air pollution prevention and control. Since 2022, the Municipal Ecological Environment Bureau has continuously strengthened the assistance of gas-related enterprises in spring and guided 2,599 sub-enterprises to achieve stable emission of air pollutants; During the Spring Festival, fireworks and firecrackers were banned throughout the city, and the concentrations of PM10 and PM2.5 in urban areas dropped significantly year-on-year; Strictly implement the ban on burning straw and make every effort to achieve the goal of "no fire, no smoke"; Continue to carry out special rectification work for coal-fired boilers, industrial furnaces and volatile organic compounds, steadily promote ultra-low emission transformation and clean heating of iron and steel enterprises, and lay the foundation for continuous improvement of air quality.


Since spring, In order to effectively curb dust pollution, The Municipal Ecological Environment Bureau, in conjunction with the Municipal Public Security Bureau, the Municipal Urban Management Bureau, the Municipal Housing and Construction Bureau, the Municipal Transportation Bureau, the Municipal Center and other departments, Carry out special rectification of dust pollution, focusing on the rectification of urban dust sources such as construction sites, slag discharge vehicles and bare ground. According to the closed-loop management mode of "assignment-rectification-review-sales number", we will find and rectify together, and continue to deepen the refined management of urban dust. Especially in June, the municipal party Committee and the municipal government attached great importance to it, and the competent leaders of the municipal government led teams to carry out on-site investigations for many times to promote the solution of key and difficult problems of dust pollution, supervise the implementation of greening and restoration of bare plots, strengthen the greening and remediation of bare mountains in cities, and further beautify the urban environment and enhance the city's value on the basis of comprehensive control of dust pollution. Since the special dust rectification work, the whole city has dispatched more than 990 people and 25 unmanned aerial vehicles, with a total flight area of 19.3 square kilometers. A total of 1,312 construction sites and 401 loose fluid vehicles have been inspected, 544 dust problems have been found and assigned for rectification, and more than 60 bare plots have been rectified, effectively solving the dust problems around a large number of people and further improving the atmospheric environment quality.