No containment, new threats from Caldor Fire in El Dorado County

The Caldor Fire burning for a week in El Dorado County continues to grow out of control, one of about a dozen big blazes in drought-stricken California that have destroyed hundreds of homes and forced thousands of people to evacuate.

Here's why it takes months to subdue some wildfires

At nearly every community meeting on firefighting efforts in the U.S. West, residents want to know why crews don’t simply put out the flames to save their homes and the valuable forests surrounding them.

National forests closed as California wildfires surge

The U.S. Forest Service announced Thursday that beginning on Aug. 22 it will close nine national forests from near Lake Tahoe at the Nevada border on the east all the way west to Six Rivers National Forest, which stretches north to the Oregon border and contains more than 1 million acres of land alone.

California Air Quality Map

Real-time information about California air quality from monitors around the state.