Year’s worst smog to hit north China

Beijing, Dec 17 (IANS) Parts of northern China are slated to be hit with the worst smog so far this year from Saturday, the official forecaster said on Thursday.

According to the National Meteorological Centre, the air pollution will last through the following Tuesday and be worse than the spell between December 6-9, which forced Beijing to issue its highest smog alert for the first time since the emergency response system was created in October 2013, Xinhua news agency reported.

Visibility in Beijing and some neighbouring regions will be reduced to less than one km during the new bout of smog, and the density of PM 2.5 pollution in some of the regions will exceed 500 micrograms per cubic metre, the centre said.

The World Health Organisation’s recommended maximum is 25 micrograms per cubic metre.

Coal burning and car emissions are some of the major sources of air pollution.

In winter, an increase in coal-burning for heating in north China and still weather often exacerbate other forms of pollution and create periods of heavy smog lasting days.

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