Hong Kong’s murky skyline is linked with excess deaths

BMJ 2011; 342 doi: (Published 25 January 2011) Cite this as: BMJ 2011;342:d498
  1. Jane Parry
  1. 1Hong Kong

Hong Kong’s air pollution is associated with 1200 excess deaths a year in the city, say researchers at the University of Hong Kong. For every 6.5 km reduction in visibility from a clear horizon of 30 km there is a 1.13% rise in all non-accidental causes of death, they say.

Anthony Hedley, the study’s principal researcher and honorary professor of the university’s School of Public Health and its Li Ka Shing Faculty of Medicine, said, “Visibility is now the most dominant feature of Hong Kong’s environmental air quality problem, with serious implications for health, economic activities, and the overall …

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