Top 10 Chinese cities with worst air in 2013
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E-mail China.org.cn, March 27, 2014
The Ministry of Environmental Protection released the information on air pollution on Tuesday in 74 major Chinese cities in 2013.
Only three out of the 74 cities that were monitored for air quality last year reported clean air, while the large majority suffered various degrees of pollution, according to the ministry.
Beijing, neighboring Tianjin and cities in north China's Hebei Province were hardest hit by air pollution in 2013. The annual density of PM2.5 pollutants -- particles smaller than 2.5 micrometers in diameter -- in the area reached an average of 106 micrograms per cubic meter. The nation's standard limit is 35.
Of the 10 cities with the most serious problems, seven were in Hebei.
The ministry said air pollution was caused by coal burning and motor-vehicle exhaust.
Zhengzhou, Henan Province
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Buildings are seen amid heavy smog in Zhengzhou, capital of central China's Henan Province. [File photo] |
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