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