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Air pollution in China has been deteriorating growingly.In the morning of Feb 28, the density of the particulate matter(PM)2.5 pollutant reportedly reached a little more than 500 micrograms per cubic meter, about 14 times as high as Japan’s maximum allowable limit of 35 micrograms on a daily average basis. The rise in the PM 2.5 density pushed up the air quality index in Beijing to the worst level among its six levels, indicating a serious pollution incident. Even central Beijing was filled with smog enough to affect visibility. Some flights to and from Beijing Airport were cancelled and expressways were shut down at various locations.
Air pollution had eased temporarily during the Chinese New Year holiday week. But the pollution is believed to have deteriorated rapidly as economic and civic activities returned to normal, with plants near Beijing resuming operations and with normal vehicle traffic restored, under unfavorable weather conditions after the holiday week. This is because the PM 2.5 pollution is suspected as stemming from sulfur and nitrogen oxide emissions accompanying coal and oil consumption. In the metropolis of Beijing, emissions from vehicles are the biggest pollution source.
In January, the Chinese government announced that the PM 2.5 pollution had spread over 1.43 million square kilometers(about four times as large as Japan’s land area). Tiny PM 2.5 particles can invade the lungs and other respiratory organs and are expected to increase the risk of respiratory diseases. The PM 2.5 density rise or growing air pollution has become a grave environmental problem posing threats to Chinese citizens’ daily life. Before noon on Feb 28, strong winds blew smog away from Beijing. Instead, a yellow dust storm hit the Chinese capital and was coupled with the PM 2.5 pollution to deal a double punch to the city.The problem is that the air pollution, which has grown more serious for China, could have caused cross-border pollution affecting Japan and other neighbors. PM 2.5 density increases have been reported in western Japan including Kyushu since January, leading Japanese people to grow more concerned over the problem.
Air pollution in China has been deteriorating growingly.In the morning of Feb 28, the density of the particulate matter(PM)2.5 pollutant reportedly reached a little more than 500 micrograms per cubic meter, about 14 times as high as Japan’s maximum allowable limit of 35 micrograms on a daily average basis. The rise in the PM 2.5 density pushed up the air quality index in Beijing to the worst level among its six levels, indicating a serious pollution incident. Even central Beijing was filled with smog enough to affect visibility. Some flights to and from Beijing Airport were cancelled and expressways were shut down at various locations.
Air pollution had eased temporarily during the Chinese New Year holiday week. But the pollution is believed to have deteriorated rapidly as economic and civic activities returned to normal, with plants near Beijing resuming operations and with normal vehicle traffic restored, under unfavorable weather conditions after the holiday week. This is because the PM 2.5 pollution is suspected as stemming from sulfur and nitrogen oxide emissions accompanying coal and oil consumption. In the metropolis of Beijing, emissions from vehicles are the biggest pollution source.
In January, the Chinese government announced that the PM 2.5 pollution had spread over 1.43 million square kilometers(about four times as large as Japan’s land area). Tiny PM 2.5 particles can invade the lungs and other respiratory organs and are expected to increase the risk of respiratory diseases. The PM 2.5 density rise or growing air pollution has become a grave environmental problem posing threats to Chinese citizens’ daily life. Before noon on Feb 28, strong winds blew smog away from Beijing. Instead, a yellow dust storm hit the Chinese capital and was coupled with the PM 2.5 pollution to deal a double punch to the city.The problem is that the air pollution, which has grown more serious for China, could have caused cross-border pollution affecting Japan and other neighbors. PM 2.5 density increases have been reported in western Japan including Kyushu since January, leading Japanese people to grow more concerned over the problem.
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