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 ...

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 ...

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 ...

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 ...

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 ...

Depending on where you live, you could be wrong. That's because even after wildfires are over, the smoke can linger in the atmosphere for days or weeks. The smoke also can travel hundreds of miles ...

Wildfires are ablaze across California and they pose a significant threat to residents—not just because of the fire, but also due to the health impacts of breathing in smoke. These can range ...

Major fires spreading in Los Angeles have engulfed the city in a thick cloud of smoke, prompting air quality advisories in multiple areas of southern California. Wildfire smoke can cause high ...

Even as the destructive Santa Ana winds propelling the catastrophic Southern California fires begin to taper off, the gusts are blowing the thick clouds of smoke far into the Los Angeles ...

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 ...

Wildfire smoke can affect the health and safety individuals and their pets, even when living or traveling far from the source of the blaze. The CDC's top safety tip for wildfire smoke protection ...