Wear a tight-fitting N95 mask at the bare minimum, but a P100 is better, experts say. Wear long sleeves, eye protection, ...

Ash from the recent LA County fires and burn scars formed by other wildfires in the fall can be dispersed by strong winds.

An air quality alert was issued on Monday at 12:41 p.m. in effect until Tuesday at 12:15 p.m. The alert is for San Bernardino ...

Air quality is a big concern for everyone in Southern California, even for those who don't live near fire zones. Here are answers to some of your top questions.

As multiple fires burn across the Los Angeles area, several districts that hoped to be open by now have stayed shuttered.

Major air pollutants have declined in recent decades, but USA TODAY’s analysis shows wildfire smoke is taking their place.

On Sunday at 6:48 a.m. an air quality alert was issued valid until 10 p.m. The alert is for San Bernardino and Riverside ...

Smoke from wildfires in Los Angeles is drifting to the San Diego region, causing a dip in air quality and prompting North County fire officials to issue a smoke advisory.

But there is a problem in California with emergency back-up generators. Air quality regulations limit their use, and some water agencies found that they could not adequately run their generators for ...