Analysis On The Present Situation Of Environmental Air Pollution And Its Countermeasures In The City Of Hezuo City In 2015-2018

In recent years,with the rapid development of social productivity,the environmental protection situation has become increasingly severe.The party and the state have mentioned ecological environmental protection to an unprecedented strategic level,and the attention of all sectors of society to environmental quality has continued to increase.As an important part of the quality of the ecological environment,ambient air quality is an important embodiment of the comprehensive competitiveness of modern social cities.Clean air is a necessary condition for human health and survival,and an important guarantee for the sustainable development of the region's social economy.Gannan Tibetan Autonomous Prefecture is located in the southwest of Gansu Province,on the northeastern edge of the Qinghai-Tibet Plateau,on the upper reaches of the Yangtze and Yellow Rivers.It is connected to Sichuan Aba Prefecture in the south,Huangnan State and Guoluo State in Qinghai,and Longnan,Dingxi and Linxia in the east and north.With a total area of 45,000 square kilometers,the whole state is located in the transitional zone of the Qinghai-Tibet Plateau and the Loess Plateau.It is located in the ecological barrier zone of the Qinghai-Tibet Plateau.It is an important part of China's “two screens and three belts” ecological security pattern,and is a safety barrier to protect the country's ecology.Status is extremely important.As the Gansu Tibetan Autonomous Prefecture,the cooperative city is an important gateway and trade distribution center for Tibetan-Chinese cultural exchanges.It is the first stop for the mainland to reach Tibetan areas.It is the political,economic,cultural,scientific and financial center of the whole state,mainly for animal husbandry.Industry and tourism are pillar industries.Improving the ambient air quality of the cooperative city is not only related to the human health of local residents,but alsoactively promotes the development of local tourism and animal husbandry,and is also of great significance for improving the ecological environment quality of the ecological barrier zone of the Qinghai-Tibet Plateau.To improve the air quality,we must first analyze the characteristics of air quality changes in the cooperative city in recent years,and make an objective and accurate evaluation of the air quality status of the cooperative city.On this basis,analyze the causes of air pollution,and finally propose effective in combination with local conditions.Measures to improve air quality.In this paper,the monitoring data and the five parameters of the national control site for automatic monitoring of environmental air quality in Gannan Prefecture in2015-2018 are used as the basic supporting materials for the study.The basic situation of air quality in the cooperative city for four years is summarized and analyzed.The characteristics and trends of the pollutants are derived,and various pollution factors affecting the air quality of the cooperative city are obtained.Based on various factors,the corresponding countermeasures and related suggestions for improvement in the future are proposed.