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Published: 1/15/2014

Beijing air pollution at dangerously high levels

ASSOCIATED PRESS

BEIJING — Beijing’s skyscrapers receded into a dense gray smog Thursday as the capital saw the season’s first wave of extremely dangerous pollution, with the concentration of toxic small particles registering more than two dozen times the level considered safe.

The air took on an acrid odor, and many of the city’s commuters wore industrial strength face masks as they hurried to work.

The city’s air quality is often poor, especially in winter when stagnant weather patterns combine with an increase in coal-burning to exacerbate other forms of pollution and create dayslong periods of heavy smog. But the readings early Thursday for particles of PM2.5 pollution marked the first ones of the season above 500 micrograms per cubic meter.

The density of PM2.5 was about 350 to 500 micrograms, and had reached as high as 671 at 4 a.m. at a monitoring post at the U.S. Embassy in Beijing. That is about 26 times as high as the 25 micrograms considered safe by the World Health Organization, and was the highest reading since January 2013.

Serious air pollution plagues most major Chinese cities, where environmental protection has been long sacrificed for the sake of economic development. Coal burning and emissions from automobiles have been major sources of pollution. In recent years, China has beefed up regulations and pledged financial resources to fight pollution.

In the far northeastern city of Harbin, some monitoring sites reported PM 2.5 rates of up to 1,000 micrograms per cubic meter in October, when the winter heating season kicked off.

In December, dirty air gripped the coastal city of Shanghai and its neighboring provinces for days, with the density of PM 2.5 exceeding 600.

Beijing authorities said the haze on Thursday has reduced the visibility to several hundred meters (yards) and that the severe pollution is likely to continue through Friday.



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