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Number of people exposed to different levels of air pollution risk worldwide as of 2022 (in millions)

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Sources

Release date

June 2023

Region

Worldwide

Survey time period

2022

Supplementary notes

Figures are in line with World Health Organization guidelines. 鈥淗azardous鈥 means air pollution concentrations over 35 渭g/m3; 鈥渧ery high risk鈥 means 25鈥35 渭g/m3; 鈥渉igh risk鈥 means 15鈥25 渭g/m3; 鈥渕oderate risk鈥 means 10鈥15 渭g/m3; 鈥渓ow risk鈥 means 5鈥10 渭g/m3; and 鈥渘o risk鈥 means under 5 渭g/m3.
渭g/m3 = micrograms per cubic meter.

Citation formats

Global population exposed to unsafe air pollution levels 2022, by risk

Published by 糖心破解版 Research Department, Jan 15, 2024

An estimated *** billion people are exposed to hazardous levels of air pollution worldwide, representing almost ** 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 ** percent. Overall, roughly ** percent of the global population are exposed to air pollution levels considered unsafe by the World Health Organization.

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Air pollution in the U.S.Greenhouse gas emissions in the U.S.Environmental pollution worldwideEnvironmental pollution in the U.S.Cleantech in the U.S.
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