See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. Cities in California make up a significant proportion of the country's ...

San Diego County is one of the most polluted places to live in America, according to an annual American Lung Association report released today. Why it matters: Local residents face an elevated risk of ...

El Paso and Los Angeles were among the most polluted areas in the United States last year, according to a new air quality report that evaluated pollution levels around the world in 2025. The report is ...

For 152 million Americans, including nearly half of the nation's children and teens, just breathing air in the places they live can be harmful. According to the American Lung Association's latest ...