For 26 years, the American Lung Association has analyzed data from official air quality monitors to compile the State of the Air report. The more you learn about the air you breathe, the more you can protect your health and take steps to make the air cleaner and healthier.

6 days ago · The “State of the Air” report found that 156 million people in the U.S. (46%) live in an area that received a failing grade for at least one measure of air pollution and 42.5 million people live in areas with failing grades for all three measures. The report also found that a person of color in the U.S. is more than twice as likely as a ...

More than 42 million people live in counties that got an F for all three air pollution measures in "State of the Air" 2025. Breathing ozone irritates the lungs, resulting in inflammation—as if your lungs had a bad sunburn.

5 days ago · The most heavily polluted places remain on the West Coast, although the Canada wildfires made the air quality for dozens of states in the central and eastern U.S. worse than it has been in years ...

5 days ago · The American Lung Association's annual State of the Air report, which looked at the latest air quality data from 2021 to 2023, concluded that 25 million more people are breathing "unhealthy levels ...

“State of the Air” is the American Lung Association’s annual national air quality “report card.” It uses the most recent air pollution data, compiled by the U.S. Environmental Protection Agency (EPA), for the two most widespread types of pollution—ozone (smog) and particle pollution (PM2.5, also known as soot). ...

6 days ago · Almost half of everyone who lives in the United States breathes unhealthy levels of air pollution, according to the American Lung Association’s annual State of the Air report, released Wednesday ...

6 days ago · Air quality in the United States has been generally improving since the Clean Air Act was enacted in 1970, with levels of key pollutants dropping by nearly 80 percent. But millions of Americans ...

5 days ago · Despite improvements in air quality in past decades, 156 million Americans still breathe in too much soot or ozone, says the annual State of the Air report from the American Lung Association.

5 days ago · The organization's 2025 "State of the Air" report found 156 million Americans are living in places that get failing grades for unhealthy levels of ozone smog or particle pollution.