China

Dust storm chokes Beijing and northern China

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Media captionPeople in Beijing describe how air pollution is affecting their health

A dust storm is choking a large swathe of northern China including the capital, Beijing, in yet another air quality crisis to affect the country.

Official air quality readings have soared well above the recommended World Health Organization (WHO) limit.

Authorities are advising residents to avoid outdoor activity and for children and elderly people to remain indoors.

The dust is blowing in from neighbouring Mongolia and China's Inner Mongolia Autonomous Region.

Image copyright Reuters
Image caption Officials have advised that children and the elderly stay indoors

Beijing's environmental agency said that as of 11:00 local time (03:00 GMT), the PM2.5 reading - which measures pollution in the form of small breathable particles - was 500 micrograms per cubic metre.

The WHO says the maximum safe level should be 25 micrograms per cubic metre.

Authorities said Beijing would be affected until Thursday evening and visibility would be noticeably low throughout the day. Dozens of flights have been delayed or cancelled.

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Image caption Beijing's skyline could barely be made out amid the dust
Image copyright Reuters
Image caption Officials say visibility in Beijing will drop noticeably on Thursday

State media quoted city officials as saying that the dust storm began moving towards Beijing in the late afternoon on Wednesday, and enveloped the city overnight.

The dust storm has also affected, to varying degrees, a vast swathe of northern China stretching from the far west province of Xinjiang to eastern Heilongjiang, with Inner Mongolia experiencing particularly bad conditions.

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Image caption Beijing environmental authorities issued an advisory saying residents should avoid outdoor activity

Chinese people have, as usual, not hesitated to take to social media to vent their frustration.

"Sandstorm is hitting Beijing. I feel closer to lung cancer," said one commenter on microblogging network Sina Weibo.

Others made comparisons to the capital's infamous smog problem.

"I've got used to smog, time to try something new. If I have to choose one to live in, between sandstorm and smog, I prefer the former," said another Weibo commenter.

China has seen particularly intense air pollution in recent years, especially in winter as many of its northern cities still largely rely on burning coal for heating.

But it is also increasingly affected by dust storms, as its cities expand towards nearby deserts which in turn have been spreading due to climate change.

Image copyright Reuters
Image caption There were some tour groups at Tiananmen Square in Beijing on Thursday despite the bad air quality

Authorities have been attempting to halt this progress by planting more trees, besides other measures to cut pollution such as reforming the coal industry and shutting factories.

Beijing issued its first red alert, the highest level in air pollution alerts, in 2015, and has done so a few more times since.

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