A girl reads a book on her balcony as smoke rises from chimneys of a steel plant, on a hazy day in Quzhou, Zhejiang province April 3, 2014. Photo: Reuters

Beijing enlists big data in battle against pollution

Surveillance and smog may be everywhere on the mainland but air quality information is scarce. China is going hi-tech to keep an eye on conditions

Topic |   China pollution

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A girl reads a book on her balcony as smoke rises from chimneys of a steel plant, on a hazy day in Quzhou, Zhejiang province April 3, 2014. Photo: Reuters
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