An advisory about fine particle air pollution from the highest-ranking physician in the United States would be a powerful ...

The advisories impact large areas of Idaho, Oregon, Montana and Washington, lasting through the end of January.

Researchers at the University of Massachusetts Amherst Political Economy Research Institute (PERI) today published the ...

Despite having three pollution hotspots, the Environmental Protection Agency says air quality in Northwest Arkansas is ...

According to the map, the 10 ZIP codes with highest exposure are concentrated near the ports and along the 110, 710, and 605 ...

Even though the Palisades and Eaton fires are now mostly contained, the Santa Ana winds have led to new fires flaring up ...

The Sepulveda fire was the latest blaze in a nerve-racking week as Southern California headed into a fourth consecutive day ...