Wildfires

A Northern California fire that gutted hundreds of homes advanced toward Lake Tahoe on Wednesday as thousands of firefighters tried to box in the flames, and a thick yellow haze of the nation’s worst air enveloped tourists.

Cal Fire Public Information Officer David Clark said for the past two nights, Chinook type-1 helicopters have been brought up from Southern California.

As California's wildfire season rages on, Celebrity Chef Guy Fieri is once again giving back to crews on the front lines with thousands of freshly cooked meals.

On Tuesday, the air quality in Lake Tahoe ranked the worst in North America. And on Wednesday, the Air Quality Index showed the South Lake Tahoe was at a hazardous 347.

A large part of Cal Fire's offensive in battling the Caldor Fire in El Dorado County is focused on the eastern side, where Lake Tahoe is most threatened. 

Some Lake Tahoe resorts, campgrounds and beaches are closed due to threats from wildfires.

After an extensive review of fire damage, Gov. Gavin Newsom requested a presidential major disaster declaration for eight counties.

Air quality experts say the smoke from the Caldor Fire in El Dorado county has created dangerous, toxic air.

Federal and state officials said Monday that California's Caldor Fire is the nation's top priority.

The Bay Area Air Quality Management District is extending an air quality advisory for wildfire smoke through Tuesday.

Five fires bigger than 10,000 acres were burning in California on Monday, including the Dixie Fire, the largest single fire in state history. Here's a quick look at each: