California is poised to hit a fearsome milestone: 4 million acres burned this year by wildfires that have killed 31 people and incinerated hundreds of homes in what is already the worst fire season on record.

California nears milestone: 4 million acres burned in fires

Over 200 people, who were trapped in wildfires in northern California, were airlifted to safety by members of the California National Guard, officials said on Sunday.

California wildfires: Military helicopters used to rescue over 200 people

A firework at a gender reveal party sparked a wildfire in California that has burned more than 7,000 acres (2,800 hectares) of land and caused several residents to leave their homes, the fire department on Sunday said.

California: Gender reveal party sparks fire that burned 7,000 acres of land

California`s lightning-sparked wildfires more than doubled in size into some of the largest in state history on Friday, forcing over 175,000 people to flee their homes.

Multiple wildfires across California, parts of Northern California under choking haze

Firefighters scrambled to protect thousands of homes from a wildfire racing through brush-covered mountains north of Los Angeles on Friday that caused hundreds of evacuations and burned 21 structures.

'Extreme' California wildfire forces hundreds to evacuate

Hundreds of homes evacuated as forest fires in California intensify