As thousands of acres burn across Southern California, wildfire smoke is causing poor air quality in the region and beyond.

Could the windstorm that stoked the Los Angeles fires happen in Northern California? The answer is yes, and it also resulted in a historic fire disaster. Here's an explanation of the phenomenon.

As fire crews continue to battle the devastating blazes that have torn through  Southern California, smoke and particulate ...

People are taking precautions as multiple wildfires cause poor air quality across a wide swath of Los Angeles County.

Affected areas include the non-desert portions of Los Angeles, Riverside and San Bernardino counties, and all of Orange ...

As fire crews and air tankers work to block the wildfires' explosive growth, images of red clouds of fire retardant falling onto trees are common. What is it — and what's in it?

After the fires get under control, wind could help push some particles out of the air, as will gravity with some larger compounds. Gases and fine particles could hang around longer. In burned areas, ...

A ban on indoor and outdoor wood burning has been extended Thursday in much of Southern California due to a forecast of high air pollution in the area. The residential wood-burning ban will be in ...