“State of the Air” uses letter grades to measure unhealthy levels of ground-level ozone air pollution (also known as smog), ...

A way for San Diego County residents to virtually track pollution from the Tijuana River in South County went live Monday, ...

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

The American Lung Association has revealed that nearly half the U.S. population resided in areas with dangerous levels of air ...

Almost half of everyone who lives in the United States breathes unhealthy levels of air pollution, according to the American Lung Association’s annual State of the Air report, released Wednesday.

A study published by researchers at the University at Albany has presented the first documented evidence that Adirondack ...

The company was fined $41,000 by the MPCA in October 2023 for permitting and air-quality monitoring violations.

Climate advocates hope this sort of model could result in court rulings that make polluters pay. The oil and gas industry ...

Only a third of survey respondents believe their supplier will take the necessary steps to address water pollution ...

State regulators are giving a St. Paul iron foundry until May 8 to submit an updated information on its pollution control operations, or lose its air quality permit.

Air pollution levels keep getting worse for more people in the U.S., according to a new report, and experts say the Trump administration’s proposed deregulation plans will make it even harder ...