Hong Kong Island is obscured by haze during a high-pollution day in the city. Photo: SCMP

Pollution in skies over Hong Kong hits seven-year high, despite government report saying emissions in decline

  • Concentration of harmful ozone gas in Pearl River Delta region worst since 2011
Topic |   Hong Kong air pollution

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Hong Kong Island is obscured by haze during a high-pollution day in the city. Photo: SCMP
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