The Wheeling, WV-OH metro area has seen a decline in air quality, with the area now ranking 130th worst in the country for ...

However, the capital city also ranked 70th worst out of the 228 metropolitan areas measured in the report for high ozone ... air layer at the surface that can’t get sourced out, and pollution ...

the pollutant that most often exceeds U.S. air quality standards, researchers said. Ozone pollution is formed when sunlight bakes emissions from cars, power plants and industrial facilities ...

The American Lung Association's 2025 State of the Air report reveals both progress and ongoing challenges for Arizona's air ...

India's cities are already ranked among the world's most polluted, based on concentrations of fine particulate matter in the air. Now new research indicates they are battling rising levels of another ...

Out of more than 200 metro areas, the Bay Area is 14th worst for ozone and 6th worst for annual particle pollution. California is home to some of the most difficult air pollution problems in the ...

All of the children were exposed to modest ozone pollution between birth and age ... Because ozone is the air pollutant that most often exceeds federal guidelines, the researchers wrote, it ...

The ALA analyzed the amount of ozone and particle pollution in the air throughout the U.S. from 2021 to 2023 using data provided by the U.S. Environmental Protection Agency for the report ...

Grand Rapids has been named the 27th worst city in the nation for ozone smog pollution. The American Lung Association released the 2025 "State of the Air" report, grading exposure to unhealthy ...

Fairfield, Connecticut, is among the 25 most polluted counties in the U.S. for ozone pollution, according to the annual State of the Air report from the American Lung Association. Ruth Canovi ...

Maricopa and Pinal counties have some of the most-polluted air in the country, according to a report by the American Lung Association, continuing a trend of worsening ozone pollution that has ...

CHEYENNE — Cheyenne was ranked the eighth-cleanest city in the nation for year-round average particle pollution, while Casper was ranked first in the country in the newest “State of the Air ...