More than 90 percent of the global population breathes dangerously high levels of air pollution. Due to its ubiquity and severity, air pollution constitutes the world’s biggest environmental health hazard, contributing to as many as 7 million premature deaths globally per year (more than 3 times higher than deaths associated with COVID-19). Air pollution also burdens the global economy with more than $5 trillion in welfare losses.
In 2020, the spread of COVID-19 raised new concerns, as exposure to particle pollution was found to increase vulnerability to the virus and its health impacts. Early reporting suggests that the proportion of COVID-19 deaths attributed to air pollution exposure ranges from 7 to 33 percent.
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