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

Wildfires are tearing through thousands of acres in Los Angeles County in California, as strong Santa Ana winds stoke the ...

While many Angelenos have been devastated by the fires, others in the sprawling city have had to balance helping out with ...

A toxic soup of smoke, chemicals and particulate matter is being spread across the city by gusty winds. Here's what to look ...

Nearly 100,000 San Diegans could loose power during the next round of power shutoffs after the National Weather Service ...

Nina Griffee, CEO of Cambridge Mask Co, told Newsweek the risk level is "completely unknown." Why It Matters. The wildfires ...

At least 24 people have died in a set of devasting Southern California wildfires, as crews have begun to make some progress ...

As government sensors fall short, people are buying their own to protect against particulate pollution linked to heart and ...

The fire that razed Melise Gerber’s house raced from the dry slopes of the San Gabriel Mountains above Los Angeles through ...

The Air Quality Index measured 156 near Forks, Washington, and received a rating of "unhealthy," meaning some members of the ...

Vog, a mix of volcanic dust and gases, can cause health issues like eye and throat irritation, coughing, and shortness of ...

Smoke from wildfires in Los Angeles is drifting to the San Diego region, causing a dip in air quality and prompting North ...