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Sunday, January 5, 2020

The Negative Impact Of Haze And Pm2.5 - 899 Words

The Negative Impact of Haze and PM2.5 Since 2010 mass media rise up reports of haze and PM2.5 which are two of main reason result in air pollution and make bad impacts on people’s health in China. Most of times when haze happened in people’s life it lasts for a long time in a severe way. People in China can feel that air pollution become much worse day by day since 2012. People even need to check the air pollution index to arrange their lives; they wear a paper mask or more serious mask to go out and to work even to have parties with friends. People rely on fresh air to live, but now they even do not know when they can take a fresh breath again. Air pollution became increasingly bad nowadays; haze and PM2.5 influence people deeply, Chinese people should pay more attention on it and value environmental protection. One of the main source cause air pollution is PM2.5. It used to be an unknown term to the Chinese people but now almost all the Chinese people get familiar wit h it. PM2.5 stands for particulate matter that the diameter of particle smaller than 2.5ÃŽ ¼m (Zhou, et al., 2015, p.1). If the diameter of particle smaller than 2.5ÃŽ ¼m then it can get into human body but it will blow out by human selves. Also, if it is bigger than 2.5ÃŽ ¼m it will be stopped at the first step in respiratory system which is human’s nasal cavity and vibrissa. PM2.5 is considered to be the worst element in air pollution to people’s health, it can go through the whole human respiratory system then getShow MoreRelatedAir Pollution Is A Costly Environmental Problem878 Words   |  4 Pagespollutants in air above SanDiego, CA seems to be comprised of Ozone (O3) and Particulate Matter (PM2.5). PM2.5 refers to ground-level paticulate smaller than 2.5 mircos. Ozone which occures at or near ground level is introduced to the air we breathe through a chemical reaction. This reaction occurrence happens when nitrogen dioxcide mixes with volatile oganic compounds with the help of sunlight. The brown haze seen over cities on cold mornings is primarily due to NO2. Ground level ozone is a main contributorRead MoreA Strategy For Reducing Air Pollution911 Words   |  4 Pagesvehicle numbers in Beijing has been contributing to the grey smog and frequent occurrences of Haze in Beijing (Zhang et al., 2013). Small particulate matter (PM) is the prominent air pollutant responsible for the grey sky in Beijing while other forme such as sulphur dioxide, carbon monoxide and nitrogen dioxide emissions has also been reported concurrent increase over the time (Gang, 2009). Beijing PM2.5 figure is reported repeatedly showing more than 100  µg/m3 average mass concentrations. ThisRead MoreIndustrial Air And Water Pollution2248 Words   |  9 Pagespollution problems. In some major urban cities, people seldom can see blue sky, sky’s color on children’s painting is no longer blue, it becomes grey. And I will be focusing on the water and air pollution caused by industrial production in China and the impact to human health and environment. There is a saying in China that water is the source of life, the importance of production and the base of ecology. Water is essential for human to survive, 60% of human body is made of water, and we consume waterRead MoreIndustrial Air And Water Pollution3492 Words   |  14 Pagespollution problems. In some major urban cities, people seldom can see blue sky, sky’s color on children’s painting is no longer blue, it becomes grey. And I will be focusing on the water and air pollution caused by industrial production in China and the impact to human health and environment. There is a saying in China that water is the source of life, the importance of production and the base of ecology. Water is essential for human to survive, 60% of human body is made of water, and we consume water

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