The chairman of the powerful Senate Finance Committee is firing back at the New Mexico Environment Department over a request ...

Calculating air pollution from wildfires and other events has become more complicated. That doesn’t mean it’s necessarily ...

Conservation and public health groups filed a lawsuit today challenging the Environmental Protection Agency’s failure to review and update air-quality standards that protect people from harmful ...

The group called on “Governor (Gavin) Newsom, state legislators, and our air quality regulators to join us — to clean up our ...

Air quality in Los Angeles has improved as the Palisades and Eaton wildfires get under control. But as the fires burned ...