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Severe Smog in Hong Kong as Authorities Warn of Health Risks

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Hong Kong has experienced severe smog over the past two days. Reported on 23 October 2026, the government warned of serious health risks, with experts calling on the elderly and vulnerable people to stay indoors until sunset. On Wednesday and Thursday, the air quality health risk levels at some roadside monitoring stations rose. Experts said this was linked to sunlight and high temperatures raising ozone levels, and expected the situation could last for several days.

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23 Oct
  1. 南華早報·香港
    Hong Kong Air Pollution Rises to Severe Levels as Government Warns Elderly to Stay Indoors

    Hong Kong has seen severe smog over the past two days, with the government warning of serious health risks and experts calling on the elderly and vulnerable people to stay indoors until sunset. Air quality health risk levels at some roadside monitoring stations rose on Wednesday and Thursday, and experts said this was linked to sunlight and high temperatures pushing up ozone levels, expecting the situation may last for several days.

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