Rising construction dust, unaddressed road dust and waste-burning have all combined to trigger a never-before fall in the ...

Smoke from the Ferguson Fire at Yosemite National Park makes skies above Fresno murky in 2018. Bee file photo ...

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

Poor oversight in a ‘licence raj’ encourages violations. Market-based environmental regulation such as pollution taxes and ...

Before the EPA, the US environment was not federally protected. Vintage photos show Los Angeles before regulations limited ...

“Unfortunately, as was shown in 2023, one bad fire season has the potential to offset that progress, at least temporarily, creating new challenges for air pollution control efforts and putting the ...

Bay Area's air quality struggles despite green reputation, with high ozone and particle pollution impacting health, especially in communities of color.

The metro area ranked 15th overall for levels of smog, according to a new analysis from the American Lung Association.

The smog is bad for our eyes, respiratory systems and overall health. While wildfires in Colorado cause plenty of pollution in the Denver air, it's not always generated within the state.

In other words, Wednesday’s report is bad news for public health. “More people in more parts of the country are seeing their health put at risk from unhealthy air pollution, and fewer people ...