A tourist wears a protective mask while touring Tiananmen Square in thick smog last month. Photo: EPA A tourist wears a protective mask while touring Tiananmen Square in thick smog last month. Photo: EPA
A tourist wears a protective mask while touring Tiananmen Square in thick smog last month. Photo: EPA
China pollution

Why smog-reading apps pose a threat to Chinese authorities

Chinese citizens can use technology to monitor the nation’s often chronic air pollution, but the government is wary of poor results getting published, say analysts

Topic |   China pollution
A tourist wears a protective mask while touring Tiananmen Square in thick smog last month. Photo: EPA A tourist wears a protective mask while touring Tiananmen Square in thick smog last month. Photo: EPA
A tourist wears a protective mask while touring Tiananmen Square in thick smog last month. Photo: EPA
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