Greenpeace says nitrogen dioxide is a local issue that can be easily tackled by the government. Photo: EPA

Nitrogen dioxide levels around some Hong Kong parks and schools ‘concerning’, Greenpeace survey finds, but scientists say results may not be as alarming as they look

  • Greenpeace study tested level of nitrogen dioxide, a pollutant released from vehicle exhausts and electricity generation, at 63 locations over two weeks
  • Findings came despite a 34 per cent fall in nitrogen oxide – a combination of nitric acid and nitrogen dioxide – emissions recorded between 2001 and 2017
Topic |   Hong Kong environmental issues

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Greenpeace says nitrogen dioxide is a local issue that can be easily tackled by the government. Photo: EPA
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