Dense smoke from Canadian wildfires is drifting across the U.S., canceling flights and sporting events, and threatening severe health problems for millions of Americans. Chicago's air quality now ...

A new study finds that smoke particles in the stratosphere can trigger chemical reactions that erode the ozone layer -- and that smoke particles from Australian wildfires widened the ozone hole by 10 ...

Some wildfires are so intense, they create their own weather—thunderstorms driven by heat that hurtle smoke as high as 10 ...

Two peer-reviewed studies led by UCLA researchers have documented the severe air quality impacts of recent California ...

OAKLAND, Calif. - Air quality and disease researchers say data suggests wildfire smoke can increase the spread of COVID-19 and other infections if precautions are not taken. Exposure to fine pollution ...

GRAND JUNCTION, Colo. (KREX) – As the old saying goes: “Where there’s smoke, there’s fire.” As much destruction as the flames from a fire can cause, inhaling smoke can also cause damage to your body.

BOULDER, Colo. — Wildfire smoke can cool or warm the air temperature. It depends on the type of particles and which level they are located in the atmosphere. It also depends a lot on the color of the ...

The CDC said cloth masks provide little protection against wildfire smoke because they don’t catch microscopic smoke particles that can get into the lungs. For COVID-19, cloth masks are used as a form ...

Mountain valleys make campfire smoke behave unpredictably. The post Why Campfire Smoke Moves in Unpredictable Directions in ...

GREENSBORO, N.C. — Millions of people are impacted by the wildfire smoke coming from Canada. It's causing air quality alerts for 3/4 of the U.S. Yes, it's hazy, but what makes the wildfire smoke ...

MONROVIA, Calif. (KABC) -- It's not just ugly and smelly. The horrible air quality from wildfires is unhealthy even hazardous. And it's not confined to the fire zones: the smoke has spread across much ...

WASHINGTON, D.C., USA — The primary topic of discussion the last couple days has been the smoke from wildfires in Canada that has infiltrated the skies over most of the mid-Atlantic and Northeast. It ...