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 ...

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 ...

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 ...

So is the intense heat generated. But remember, where there’s fire, there’s smoke, which may be a reversal of the standard proverb but is highly relevant here. The wildfires are creating large ...

AND BOY, THERE IS A THICK LAYER OF HAZE AND THE VERY STINKY SMELL OF SMOKE MOVING ACROSS THE CITY. ALL THANKS TO WHAT YOU SEE HAPPENING HERE OFF TO THE NORTH IN BABCOCK RANCH. THERE'S A VERY LARGE ...

The plumes of smoke are even visible from space. Residents of many fire-prone areas—as well as those far downwind—have grown familiar with the orange, apocalyptic haze of wildfire smoke as ...

Along with the wildfires, residents must deal with other hazards: smoke and ash. Smoke is made of tiny particles. Smoke particles 2.5 micrometers or smaller in size — known as PM2.5 — are particularly ...

Wildfire smoke is becoming an increasingly common health hazard as wildfires grow more frequent and intense. Understanding the health impacts of wildfire smoke and taking precautions can help protect ...

Wildfires in California aren’t all wild anymore. They often burn in urban areas, creating a toxic soup of smoke, ash and noxious substances that can be dangerous, even deadly. In Los Angeles ...

0:55 Timelapse shows how quickly L.A. wildfires are spreading As wildfires rage across Los Angeles, the smoke billowing into the air carries more than the expected risks of particulate matter and ...

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 ...

Smoke is drifting to cities miles away from where multiple major wildfires are burning in Los Angeles County, prompting several air quality alerts, but will it reach San Diego County? No air ...