Over 13,000 lightning strikes since August 15 have caused more than 600 fires across the state.
Someone entered the firefighter's department vehicle while he led a personnel team's response to Northern California's CZU Lightning Complex wildfire, officials said.
Nearly 819,000 acres have burned in the Lightning Complex fires across the state.
Tens of thousands have been evacuated, with nearly 700 homes destroyed by the fires.
Six people have died in the wildfires which are now equivalent in size to the state of Rhode Island.
Big Basin Redwoods State Park, California's oldest, totals 18,000 acres, all of which are "gone" after the CZU August Lightning Complex fire ripped through it this week.
Inmate firefighters have been helping put out fires since World War II.
The LNU Lightning Complex and CZU August Lightning Complex have reached 215,000 acres and 157,475 acres, respectively.
California's wildfires prompted Governor Gavin Newsom to cancel a planned appearance at Thursday's Democratic National Convention.
Officials said 367 fires have ignited between the San Francisco Bay Area and Los Angeles, forcing an unknown number of evacuations.
Vacaville faces very unhealthy levels of air pollution as wildfires burn across the region, producing heavy smoke.
The pilot died when a helicopter deployed to Fresno County's Hills Fire crashed earlier this week, according to official reports.
Recent fires in California have so far burned some 340,000 acres in the state.
Satellite data recorded 6,803 fires in the Amazon in July, a 28 percent increase from the number of fires this time last year.
Several fires are burning around the Greater Bay Area, causing "unhealthy" air quality.
Evacuation orders are in place in counties across California as the state faces multiple active wildfires.
In Colorado, multiple wildfires continue to rage, and large smoke clouds have filled the sky, affecting air quality and raising health concerns for sensitive residents.
Details on the active wildfires in the state right now, where to avoid, GPS locations, and evacuation information.
Fire is threatening 300 homes near Mosier, Gov. Brown has actioned the Emergency Conflagration Act to deal with the 500 acre blaze
The City Of Los Angeles Fire Department said the fire was zero percent contained as of 9 p.m. local time.
"2020 is set up to be a dangerous year for fires in the Amazon," NASA scientist Doug Morton said.
On June 20, the Arctic town of Verkhoyansk recorded a temperature of 100.4 F.
"Climate change is here in the boreal and Arctic environments. It's not in some distant future," said researcher Amber Soja.
On June 20, the mercury in the small town of Verkhoyansk, which is located six miles north of the Arctic circle, reached 100.4 degrees Fahrenheit, according to unverified Russian weather data.
The Bush Fire is the largest of four wildfires burning in Arizona and has become the fifth largest wildfire in state history.
No evacuation orders have been issued and no injuries have been reported so far, the Los Angeles Fire Department confirmed.
No evacuation orders have been issued so far following the brush fire that broke out near an equestrian center in the Castaic community.