The factual accuracy of this image is disputed. Doubt the large share above guideline in Spain but 0%-20% for the U.S. is definitely wrong
Summary
Share above who pollution guidelines
Title
Share above who pollution guidelines
Description
Share of the population exposed to air pollution levels above WHO guidelines, 2017. The share of the population exposed to outdoor concentrations of particulate matter (PM2.5) that exceed the WHO guideline value of 10 micrograms per cubic meter per year. 10yg/m* represents the lower range of WHO recommendations for air pollution exposure over which adverse health effects are observed.
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https://creativecommons.org/licenses/by/4.0CC BY 4.0 Creative Commons Attribution 4.0 truetrue
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