An estimated 2.8 billion people are exposed to hazardous levels of air pollution worldwide, representing almost 40 percent of the global population. The countries with the largest share of their populations exposed to hazardous concentrations of air pollution are Bangladesh, Nepal, and India, at more than 96 percent. Overall, roughly 94 percent of the global population are exposed to air pollution levels considered unsafe by the World Health Organization.
Number of people exposed to different levels of air pollution risk worldwide as of 2022
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Number of people exposed in millions
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Figures are in line with World Health Organization guidelines. “Hazardous” means air pollution concentrations over 35 μg/m3; “very high risk” means 25–35 μg/m3; “high risk” means 15–25 μg/m3; “moderate risk” means 10–15 μg/m3; “low risk” means 5–10 μg/m3; and “no risk” means under 5 μg/m3. μg/m3 = micrograms per cubic meter.
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World Bank. (June 15, 2023). Number of people exposed to different levels of air pollution risk worldwide as of 2022 (in millions) [Graph]. In Statista. Retrieved August 24, 2024, from https://www.statista.com/statistics/1441292/global-population-exposure-to-unsafe-air-pollution/
World Bank. "Number of people exposed to different levels of air pollution risk worldwide as of 2022 (in millions)." Chart. June 15, 2023. Statista. Accessed August 24, 2024. https://www.statista.com/statistics/1441292/global-population-exposure-to-unsafe-air-pollution/
World Bank. (2023). Number of people exposed to different levels of air pollution risk worldwide as of 2022 (in millions). Statista. Statista Inc.. Accessed: August 24, 2024. https://www.statista.com/statistics/1441292/global-population-exposure-to-unsafe-air-pollution/
World Bank. "Number of People Exposed to Different Levels of Air Pollution Risk Worldwide as of 2022 (in Millions)." Statista, Statista Inc., 15 Jun 2023, https://www.statista.com/statistics/1441292/global-population-exposure-to-unsafe-air-pollution/
World Bank, Number of people exposed to different levels of air pollution risk worldwide as of 2022 (in millions) Statista, https://www.statista.com/statistics/1441292/global-population-exposure-to-unsafe-air-pollution/ (last visited August 24, 2024)
Number of people exposed to different levels of air pollution risk worldwide as of 2022 (in millions) [Graph], World Bank, June 15, 2023. [Online]. Available: https://www.statista.com/statistics/1441292/global-population-exposure-to-unsafe-air-pollution/
