Roadside air pollution, primarily caused by roadside transport and trapped by the “street canyons”, affects us all. Commuters and roadside workers are constantly exposed to high concentration of toxic vehicular exhaust emitted at close proximity.
In 2013, the International Agency for Research on Cancer (IARC) has classified outdoor air pollution as a cancer-causing agent (carcinogen).
A comprehensive review of scientific literature has found that there is now sufficient evidence showing that exposure to outdoor air pollution causes lung cancer and even increases the risk of bladder cancer. Although the composition and levels of air pollution can vary from one location to the next, these conclusions can be applied to all regions of the world.
Read more: Scientists examine the health risks of Hong Kong’s notorious ‘street canyons’
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Story posted on
17th Jan, 2017


Hong Kong has the highest PM2.5 annual mean across major cities in 2016

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