Asian residents are exposed to nine times more air pollution than Americans or Europeans
July 10, 2018, University of Surrey
According to the World Health Organisation, about 88 percent of premature deaths in low- and middle-income countries in Asia can be attributed to air pollution. The number of road vehicles in Beijing increased from 1.5 million in 2000 to more than 5 million in 2014 and the number in Delhi, India, is expected to increase from 4.7 million in 2010 to 25.6 million by 2030.
In a review published by the journal Atmospheric Environment, Surrey's Global Centre for Clean Research (GCARE) looked at studies of pollution exposure and concentration levels in Asian transport microenvironments (walking, driving, cycling, motorbike riding and bus riding). Researchers focused on the levels of fine particles, black carbon produced by carbon-rich fuels such as gasoline and diesel fuel, and ultrafine particles (UFP) small enough to travel deep into a citizen's lungs.
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https://phys.org/news/2018-07-asian-residents-exposed-air-pollution.html#jCp