Tuesday, January 29, 2013

China's air pollution again at danger levels

The Guardian via AP: Dangerously high pollution levels have shrouded Beijing in smog for the second time in about two weeks, forcing airlines to cancel flights because of poor visibility and prompting the city government to warn residents to stay indoors.

The outlines of buildings in the Chinese capital receded into a white mist as pedestrians donned face masks to guard against the thick, caustic air. The US embassy reported a level of PM2.5, one of the worst pollutants, at 526 micrograms per cubic metre, or "beyond index", and more than 20 times higher than World Health Organisation safety levels over a 24-hour period.

The Beijing city government advised residents to stay indoors as much as possible because the pollution was "severe". It said that because there was no wind, the smog probably would not dissipate quickly.

Visibility was less than 100 metres (109 yards) in some areas of eastern China, the official Xinhua news agency reported. Air China cancelled 14 domestic flights in or out of the Beijing airport, and an airport in the eastern city of Qingdao was closed, cancelling 20 flights....

A smoggy day in Tianamen Square, shot by McKay Savage, Wikimedia Commons via Flickr, under the Creative Commons Attribution 2.0 Generic license

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