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

An air quality alert was reported by the NWS Phoenix AZ on Friday at 7:19 a.m. in effect until Sunday at midnight. The alert ...

California cities nearly covered all five spots in the Top 5 Most Polluted Cities when it comes to year-round particle ...

The LA area is once again the worst for ozone in the U.S., a pollutant impacting millions more people nationwide, the ...

The Jones Road wildfire continued to burn thousands of acres in central New Jersey. Smoky air could be wide-reaching.

A new report from the American Lung Association shows that Phoenix's ozone problem is worsening, while its particulate ...

The nonprofit Archangel Ancient Tree Archive has donated sequoia saplings that were planted Tuesday by Arboretum Detroit to ...

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

Fresno ranked third among the worst U.S. cities for air pollution, according to the American Lung Association’s annual State ...

It looks at data from air quality monitors to tell which cities are the cleanest and most polluted for ozone and short-term ...

Weakening or rolling back longstanding environmental regulations would worsen the problem, the American Lung Association ...