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China first set of smog-reduction targets, for 2013-17, focussed on its three biggest city clusters:Beijing-Tianjin-Hebei, the Pearl river delta and the Yangtze delta. Those targets, which included a 33% reduction in Beijing of average fine particle pollution (PM2.5), were easily achieved.
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Apr 06, 2017 · China launches new year-long inspection into air pollution in north particles known as PM2.5 rise 48 percent in the first two months of 2017. for failing to comply with anti-smog
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