A map of pollution levels across China, as of September 3, 2015. Photo: SCMP Pictures
A map of pollution levels across China, as of September 3, 2015. Photo: SCMP Pictures

China's pollution on Google Maps: Smog data shows 92 per cent breathe in unhealthy air ... but how does Hong Kong fare?

A map of pollution levels across China, as of September 3, 2015. Photo: SCMP Pictures
A map of pollution levels across China, as of September 3, 2015. Photo: SCMP Pictures
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