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The International Agency for Research on Cancer (IARC) – a specialised agency of the World Health Organization (WHO) – has announced there is convincing evidence that exposure to outdoor air pollution causes lung cancer.
IARC has also classified a major component of outdoor air pollution – particulate matter (PM) – as carcinogenic. Although both the composition and levels of air pollution can vary dramatically from one location to the next, the cancer agency says that its conclusions apply to all regions of the world.
In a statement, Magnus Yngen, President and CEO of the Camfil Group, made the following comment about IARC’s conclusion:
“It is now officially recognized that outdoor air pollution contains cancer-causing substances, which sends a clear signal to policymakers around the world to improve the quality of the air we breathe in cities where severe air pollution impacts human health and life negatively. However, improving indoor air quality is just as important. To protect occupants in polluted cities, a three-pronged strategy is needed for urban buildings: effective particle and molecular gas filters in air handling units, elimination or control of indoor pollution and, when necessary, supplementary air cleaning with standalone filtration units to deal with special air-quality problems at the source. Without a comprehensive filtration approach, unclean outdoor air supplied through ventilation systems can mix with indoor sources and become up to 50 times more polluted.”
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