Wildfire smoke contains a "complex mixture" of fine particles that can pose hazards after just short-term exposure, according to the U.S. Environmental Protection Agency (EPA). Known as PM2.5 ...

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 ...

As a series of massive fires continues to blaze through the Los Angeles area, blanketing neighborhoods with smoke and forcing thousands of people to evacuate their homes, air quality remains ...

The fires burning across Los Angeles County have sent billowing plumes of black smoke into the air, posing a major health threat even as quick-moving flames have blowtorched homes, schools and ...

Firefighters are still struggling to control the blazes, which have led to wildfire smoke that’s worsening the air quality in the region. Wildfire smoke can travel long distances and affect the ...

Here are experts’ answers to all your smoke removal questions. Wildfires create a wide array of pollutants, including toxic particulate matter that can lodge deep in your lungs and enter your ...

But as wildfires intensify and grow more frequent in a warming world, the smoke from these fires is emerging as a new and deadly pollution source, health experts say. By some estimates ...

Powerful, wind-fueled wildfires raging across parts of Los Angeles County on Wednesday filled the surrounding air with smoke, making it unhealthy to breathe, officials said. "Predicting where ash ...

Strong winds fan the fast-moving fires and smoke pollutes the air. In Los Angeles, air quality was between good and moderate in the early parts of the day on Tuesday. By sunrise on Wednesday ...

The fierce wildfires that broke out across much of the western United States this summer, spreading smoke across hundreds of miles, continue to pose a serious health hazard to millions.

Billowing wildfire smoke rolled over large swathes of Los Angeles County on Jan. 8, prompting school closures and triggering air quality advisories across the region. From Altadena to Santa Monica ...

As the Palisades, Eaton, and Hurst fires continue to burn through large areas of Los Angeles, millions of people are likely to be affected by the smoke generated by these urban blazes. Yet while ...