A large area of greater Los Angeles had unhealthy air Friday, due to particulate matter from large wildfires. Here are tips ...

The deadly Los Angeles wildfires turned neighborhoods into ash as officials ordered 150,000 people to evacuate their homes.

Tens of thousands of people have been impacted by evacuation orders since the blazes began. Follow for live updates.

Here’s a closer look at what to know about the fires.

Longterm health damage becomes a concern as the air quality index reached hazardous levels for some neighborhoods ...

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

Emergency room doctors report waves of patients with breathing problems as smoke increases fine particulates in the air. Health officials also are monitoring the potential mental health toll wildfires ...

Wildfire smoke increases tiny particles in the air known as particulate matter that can be harmful to people’s health.

With hazardous levels of smoke lingering over Los Angeles County as a result of the slew of wildfires currently burning throughout the region, county officials are urging the public to stay safe.

AirNow is a collaborative effort of federal agencies that provides air quality data across the U.S. The site also has ...