Super smog hits north China city: Visibility shrank to less than half a football field and small-particle pollution soared to a record 40 times higher than an international safety standard in one northern Chinese city as the region entered its high-smog season.
Winter typically brings the worst air pollution to northern China because of a combination of weather conditions and an increase in the burning of coal for homes and municipal heating systems, which usually start on a specific date. For the large northern city of Harbin, the city's heating systems kicked in Sunday, and on Monday visibility there was less than 50 meters, according to state media.200,000 people die every year in China because of air pollution.
Beijing's Pollution Alarms Neighbors, environmental secrecy angers public and the world
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