How polluted is your air? Use our tool to find out [Video]

Nearly half of the people in the U.S. live in areas with unhealthy levels of air pollution — you could be among them.That’s 25 million more people living with bad air than last year’s report showed, according to air quality data from the American Lung Association (ALA). The new 2025 annual report covers data from 2021 to 2023, the most recent year available. Most of the increase comes from communities on the East Coast, which were plagued with smoke from the Canadian wildfires in 2023. “The quality of air in this country should be getting better, but it’s not,” said Katherine Pruitt, the senior director for Nationwide Clean Air Policy at the ALA.Air quality was improving across the country after the passage of the 1963 Clean Air Act, Pruitt said, but 10 years ago, progress halted. Increasing extreme heat events and wildfires have led to more ozone and particle pollution …