Toxic smoke and dangerous particulate pollution are spreading far beyond the flames, leaving air quality at unhealthy levels in multiple counties.

Wildfires are tearing through thousands of acres in Los Angeles County in California, as strong Santa Ana winds stoke the ...

There are many pollutants of concern in wildfire smoke,” including ozone, carbon monoxide and other toxic gases, says pediatrician Debra Hendrickson.

Health officials are again warning the public to take precautions as Santa Ana winds are expected to spread ash and dust from active fire ... to air pollution such as wildfire smoke can also ...

As buildings and brush continue to smolder in Los Angeles, a toxic soup of smoke ... he said. Now is also a good time to check the condition of air filters on central heating and cooling systems ...

The fresh air came after days of acrid smoke from ... but there’s no active fire that’s producing smoke,” said Brian Newman, who analyzes blazes for Cal Fire. “We’re in a slow, creeping ...

California has some of the strongest regulations in the nation to protect farmworkers from wildfire smoke. It's one of only three states, along with Oregon and Washington, that require employers ...

The Palisades and Eaton wildfires also continue burning in the Los Angeles area, leaving parts of Southern California with devastating fire damage.

With the wildfires now on top of that ... A 2024 study of the Marshall Fire in the Boulder, Colorado, area showed that bad air hung around inside homes even after the smoke had cleared.

The Air Quality Index measured 156 near Forks, Washington, and received a rating of "unhealthy," meaning some members of the general public may experience health effects and members of sensitive ...