For 25 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.
Find grades and rankings for cleanest and most polluted places to live.
See the cleanest cities and learn more about how your city ranks.
See the 25 most polluted cities and counties for ozone and particle pollution ranked.
Get the report card for your state's air quality, and the number of people in groups at risk.
Find out how your city measures up when it comes to air pollution.
Join us in calling for stronger limits on air pollution to make the air safer to breathe.
Get the print version of the 2024 State of the Air report.
"State of the Air" has a 25-year history and a time-tested methodology. Learn more about this annual national air quality "report card."
Journalists can access press releases, experts available for interviews, b-roll, the full "State of the Air" report and more.
Donations support lung health research, treatments, education, and more.
