There is more to Hong Kong’s air pollution than meets the eye – or throat. How often have you heard that the smog actually comes from across the border? Or that cars are responsible for the toxic clouds that regularly envelope the city? Such tropes are seldom accurate. Here, we break down Hong Kong’s noxious vapours to tell you where the pollutants are really coming from – and what can be done about them.
? Particulate matter – PM10 and PM2.5
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