A view of Hong Kong's skyline. Photo: EPA

A view of Hong Kong's skyline. Photo: EPA

Hong Kong / Health & Environment

Pearl River Delta air quality improves but ozone levels rise, report shows

While pollutant counts fall in Pearl River Delta, concentration of harmful gas increases: report

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Published: 2:45am, 19 May, 2015

Updated: 7:29pm, 19 May, 2015

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A view of Hong Kong's skyline. Photo: EPA

A view of Hong Kong's skyline. Photo: EPA

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