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Air Quality in China
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SIGNIFICANCE:

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A satellite mapping analysis of PM2.5 concentration, as published by the US NASA lab, indicates the coastal areas of Eastern China as the most affected by PM2.5 pollution in the world. According to statistics from China's Ministry of Environmental Protection, cities in three regions—Yangtze River Delta, Pearl River Delta and Jing-Jin-Ji Region (Beijing-Tianjin-Hebei) have seen over 100 smoggy days each year, with fine particle concentration two to four times the level recommended by WHO Air Quality Guidelines[1]. This comes as a result of a continuous increase in coal burning and vehicle usage. Investigations by the Chinese Academy of Engineering reveal the above-mentioned air pollution of these cities are attributable to both soot and vehicle tail gas. Because of their insatiable demand for energy, these cities have been hit hard by air pollution[2].

References:

[1] Environment Planning Academy, Ministry of Environmental Protection, Guidance on Formulation of 12th Five-Year Plan of Atmospheric Pollution Joint Prevention and Control in Priority Regions.
[2] China's Energy Mid-Long Term Development Strategy Research--Environment, Science Press, February 2011.
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