Beijing was blanketed in a thick, foul-smelling layer of hazardous smog over the weekend that pushed air quality readings well off the charts and prompted environmentalists to call it the worst air pollution on record in the city.
The air quality in China’s capital, home to about 20m people, was consistently designated as hazardous by the Chinese government and a monitoring station maintained by the US embassy throughout the weekend and people were advised not to go outside.
At its worst on Saturday night the volume of harmful particulates in the air was 36 times the level recommended as safe by the World Health Organisation.
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