Air Pollution Kills 5.5 Million People Every Year Worldwide

February 17, 2016

The smog hovering over many major cities is not just an unhealthy inconvenience. Breathing that air is killing millions of people. A recent study in Nature estimated three million people died annually due to air quality. That number may be closer to 5.5 million premature deaths per year, according to a new study being presented today at the annual meeting of the American Association for the Advancement of Science.

Looking at data from 188 countries, the University of British Columbia worked with the Institute for Health Metrics and Evaluation (IHME) at the University of Washington to compare health risk factors to air pollution levels from 1990 to 2013. Although air pollution has decreased over the last 20 years in many countries, global levels of dangerous emissions have increased. And due to surging population growth and rapid urbanization, especially in places like China and South Asia, now a greater number of the world’s population—85 percent—lives in a place where particulate matter levels exceed the World Health Organization’s healthy guidelines.

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