A new report paints a troubling picture of air quality in the United States, finding that 152.3 million people, or 44% of the population, live in places that received failing grades for unhealthy levels of ozone or particle pollution.
The 2026 edition of the American Lung Association's annual State of the Air report found that 33.5 million children, or 46% of everyone under 18 in the United States, live in counties that received a failing grade for at least one measure of air pollution.
