According to a new report, in 2019 a total of 1.7 million deaths were related to exposure to PM2.5, very small particles suspended in the air with a diameter of less than 2.5 microns, the portal indicated. Zeee News.
Particulate matter includes organic chemicals, dust, soot, and metals and can come from all kinds of combustion, including automobiles, factories, agricultural burning, and other activities, and is considered an air pollutant due to its harmful effects on health.
Cities in Asia, Africa, and Eastern and Central Europe suffered the greatest health impacts, but New Delhi has the highest average level of PM2.5 among the world’s most populous cities, according to an analysis of air pollution and the effects on the global health of more than seven thousand metropolises.
The report “Air Quality and Health in Cities”, published by the US-based Institute for Health Effects, combines data from satellites and models to produce the estimates and focused on two of the most harmful pollutants , fine particles (PM2.5) and nitrogen dioxide (NO2).
Among the most populous cities in each region, New Delhi and Kolkata were among the 10 with the highest burden of PM2.5-related diseases in 2019.
India and Indonesia record the most serious increase in PM2.5 pollution, while China sees the greatest improvements.
Of the 50 urban centers with the most severe increase in PM2.5, up to 41 are in India and nine are in Indonesia.
On the other hand, of the 20 cities with the greatest decrease in PM2.5 pollution between 2010 and 2019, all are from China.
The report notes that breathing even low levels of pollution over time can produce a myriad of health effects, including reduced life expectancy, missed school and work, chronic disease, and even death.
The document revealed that, worldwide, air pollution is responsible for one in nine deaths, which represents 6.7 million deaths in 2019, with strong impacts on the young, the elderly and people with chronic respiratory and heart diseases. .
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