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Smog shrouds Beijing with hazardous pollution levels video
2014-01-16 10:58:00| Climate Ark Climate Change & Global Warming Newsfeed
Reuters: Heavy smog shrouds Beijing on Thursday as pollution in the Chinese capital reaches hazardous levels. An index measuring pollution levels showed the PM2.5, particulate matter with a diameter of 2.5 micrometers, reached 500. A level above 300 is considered hazardous, while the World Health Organisation recommends a daily level of no more than 20
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Category:Electronics and Electrical
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