Researchers are concerned that wildfires raging in California are creating a mix of toxic metals and making the air we ...

Wildfires are burning in Northern California and Southern Oregon. A Spare The Air Alert day is in effect Friday due to poor air quality.

Update: A more recent report about the Green Fire puts its area at more than 14,000 acres. Amid hot, dry weather in Northern ...

A new wildfire, dubbed the Willow Fire, broke out in Antioch, California. A public advisory was issued for Oakley, Brentwood, and Byron.

California fire map Contributing: Eduardo Cuevas, John Bacon, Michelle Maltais, USA TODAY This article originally appeared on USA TODAY: California air quality, smoke maps: See Los Angeles AQI numbers ...

Smoke and air quality Across Southern California, air quality has been deemed moderate by the U.S. Air Quality Index from the Environmental Protection Agency.

Smoke from fires creates a swath of bad air in Southern California, but easing winds may help Most should stay indoors or if you must go out, wear a N95 mask and avoid strenuous physical activity.

State officials from Maine to New York issued alerts for fine particulate matter, a toxic byproduct of wildfires that is ...