Top 15 Countries by Annual Average Exposure To PM2.5 Air Pollution (1990-2017)
This video shows the Top 15 countries by highest Annual Average Exposure To PM2.5 Air Pollution from 1990 to 2017. Bar Chart Race has been added to the right side of the video, linking the colors of each country to the colors of the map.
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1. Qatar 2. Niger 3. Nepal (1990)
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1. Nepal 2. Niger 3. India (2000)
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1. Nepal 2. India 3. Qatar (2010)
What is Annual average exposure to PM2.5 air pollution?
Population-weighted exposure to ambient PM2.5 pollution is defined as the average level of exposure of a nation's population to concentrations of suspended particles measuring less than 2.5 microns in aerodynamic diameter, which are capable of penetrating deep into the respiratory tract and causing severe health damage. Exposure is calculated by weighting mean annual concentrations of PM2.5 by population in both urban and rural areas.
source:worldbank.org
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