Fact checked by Jennifer Klump People who are repeatedly exposed to respiratory irritants, like smoking, are most at risk of ...

Out of the California cities that ranked the worst for ozone and particle pollution in 2025, the Fresno and Sacramento ...

A new study says nearly half of N.J. residents are living in areas that had unhealthy levels of air pollution.

A new report on air quality across the U.S. offers a cloudy prognosis on the long-term health of about 156 million residents ...

Kristina Barker for The New York Times Some research suggests that wildfire smoke may be more toxic to the lungs than ordinary urban air pollution is, because wildfire smoke contains a distinct ...

Air pollution levels keep getting worse for more people in the US, according to a new report, and experts say the Trump ...

Despite improvements in air quality in past decades, 156 million Americans still breathe in too much soot or ozone, says the ...

Mecklenburg County’s air quality has worsened since last year, according to the American Lung Association’s annual State of ...

Detroit receives failing grades for number of unhealthy smog days per year, and its year-round levels of soot pollution.

"All of Connecticut has bad air quality, and a lot of it is not from local sources. It's the jet stream carrying things into ...