Wildfire smoke ‒ burning trees and shrubs but also homes and other manmade materials ‒ contains toxic chemicals harmful to human health immediately and over longer periods. These carry risks such as ...

Southern California wildfires have spurred smoke advisories by authorities and contributed to hazardous air quality ...

As devastating wildfires fanned by powerful winds ravaged Los Angeles in January 2025, a video of a street shrouded in smoke ...

Smoke from three major California wildfires drifted into the Las Vegas Valley, blanketing the region in a haze of unhealthy air Wednesday. As the fires, which were burning in Southern California ...

Tens of thousands of people are evacuating Los Angeles as wildfires blaze across the region, emitting dangerous smoke and billowing ash in its wake. Wildfire smoke is a "complex mixture" of ...

More than a week after a series of wildfires broke out in and around Los Angeles, winds are starting to let up, giving ...

A major fire burning at one of the world’s largest battery storage plants in Northern California is sending up flames of ...

President Donald Trump has issued a “full and unconditional pardon” to Washington, DC, police lieutenant Andrew Zabavsky and ...

Twenty-eight people have died across the Los Angeles area. Officials have said the true death toll isn’t known as the fires ...

As California expands its prescribed burning efforts, a study of more than 180 such projects suggests they are an effective ...

The same Santa Ana winds spreading wildfire across southern California are blowing the smoke over the Pacific Ocean, not into Arizona.

As wildfires blaze across California, here is how inhaling smoke could affect your health, from itchy eyes to dementia risk.