'Airpocalypse' Smog Hits Beijing at Dangerous Levels

‘Airpocalypse’ Smog Hits Beijing at Dangerous Levels On Thursday, some residents of Beijing woke up with splitting headaches. A curtain of haze had fallen across the city of more than 20 million. It was the first “airpocalypse” of the year in the Chinese capital and nearby provinces, and it had come …

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