The report said that 4 per cent of a person’s exposure to PM2.5 occurred while commuting. Photo: Sam Tsang

There’s no escape from Hong Kong’s choking air even in your home, study reveals

It’s not just on the city’s streets where we are at risk from dangerous PM2.5 particulates – three-quarters of daily personal exposure is indoors

Topic |   Hong Kong air pollution

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The report said that 4 per cent of a person’s exposure to PM2.5 occurred while commuting. Photo: Sam Tsang
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