As government sensors fall short, people are buying their own to protect against particulate pollution linked to heart and lung disease, cancer and a higher overall risk of premature death.

Three active fires in Los Angeles neared full containment Sunday, as the region receives much-needed rain that has produced ...

Learn what the air quality index (AQI) means, how it impacts your health, and how to stay safe when pollution is high.

Southern California’s wildfire seasons are intensifying, driven by the increasing frequency of extreme weather patterns. By Marina Khubesrian A combination o ...

Acting EPA Administrator James Payne sent an email to members of the agency's Science Advisory Board and the Clean Air ...

Those groups particularly sensitive to particulate matter in the air may want to limit time outside Friday and Saturday.

Hazardous waste and the scale of the disaster make fire cleanup tricky for Los Angeles and the EPA.

While the EPA does not identity those particularly sensitive groups, some who may notice symptoms such as coughing or shortness of breath are those vulnerable to health impacts due to air ...

LA County Sheriff says about 31,000 people were under mandatory evacuation orders while another 23,000 were under evacuation ...

The Border 2 Fire, which flared to life yesterday afternoon near Otay Mountain, has now grown to over 5,000 acres. The ...

Day Four of the Trump administration opens in Washington, D.C. with a raft of Senate hearings including Trump's picks for the Departments of Energy and Interior as well as the EPA and VA.