Alex
My name is Alex, and I’m an ambulatory clinical pharmacist working with Phoenix children and families to help them better understand the risks of unhealthy air and take appropriate steps to prevent severe asthma attacks. READ MORE
State of the Air
For 27 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.
What's the State of Your Air?
Report Cards
Find grades and rankings for cleanest and most polluted places to live.
Cleanest Cities
See the cleanest cities and learn more about how your city ranks.
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Most Polluted Cities
See the 25 most polluted cities and counties for ozone and particle pollution ranked.
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States and Counties
Get the report card for your state's air quality, and the number of people in groups at risk.
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Compare Your Air
Find out how your city measures up when it comes to air pollution.
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Key Findings
Nearly half of children in the U.S. live in places with unhealthy levels of air pollution.
Health Impact of Air Pollution
Ozone and particle pollution are the most widespread pollutants—and among the most dangerous. Learn more about how they affect the body, and which groups of people are most at risk.
Recommendations for Action
Find actions you can take to keep your family safe from unhealthy air, reduce pollution and support clean-up efforts.
Tell EPA: Our Kids’ Health Counts!
EPA is rolling back clean air protections, despite nearly half of kids already breathing unhealthy air. Tell EPA to return to its mission and protect kids’ health.
Download PDF
Get the print version of the 2026 "State of the Air" report.
About This Report
"State of the Air" has a 27-year history and a time-tested methodology. Learn more about this annual national air quality "report card."
For The Media
Journalists can access press releases, experts available for interviews, b-roll, the full "State of the Air" report and more.