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 California, a lightning-sparked fire near Shasta Lake has grown to almost ...

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

At the outset of the blaze, the San Luis Obispo Sheriff's Office estimated that some 500 acres were already burned at the scene, near the 10000 block of Highway 166 in the Los Padres National Forest.

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.

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 ...