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

Researchers contributing to the ASCENT network of air quality sensors observed spikes in lead and chlorine downwind from the ...

QUAKERTOWN, Pa. - The Pennsylvania Supreme Court handed down a ruling regarding a proposed compressor station in Upper Bucks ...

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

DEQ air monitoring stations showed "moderate" air quality across most of Portland Wednesday morning. It's expected to rapidly ...

In the wake of the Palisades and Eaton fires, concerns about air quality across the county have been on the rise.