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