Smoke from the fires is making the air quality in parts of California some of the worst in the world. What is the air quality and why don't cloth face masks help? Voluntary evacuations were underway in parts of the state. Jared Polis on Friday, activated the Colorado National Guard to assist the State Emergency Operations Center and incident commanders fighting wildfires. TheВ Salt,В GinВ andВ Griffin fires burned a combined 50 square miles. In Arizona, three lightning-caused wildfires forced the evacuation of multiple communities on Saturday. 'As a consequence of that, our mutual aid that goes outside the state of California has also been stretched.' 'The heat dome that we experienced over the course of last week has not only impacted the state of California вЂ“ itвЂ™s impacted the entire western United States,'В Newsom said. Wildfires in Colorado, across western statesДЇires were also burning in Colorado, Utah, Montana, Oregon, Idaho, Nevada, Arizona, Texas, New Mexico and Wyoming, according to the National Wildfire Coordinating Group on Saturday. In Southern California, the department predicts there will beВ an above-normal large fire potential in October and November. These factors have lengthened the fire season by about 75 days across theВ Sierra Nevada, according to Cal Fire, which predicts that, in Northern California, 'above-normal large fire potential' will persist through October. 'Warmer spring and summer temperatures, reduced snowpack, and earlier spring snowmelt create longer and more intense dry seasons that increase moisture stress on vegetation and make forests more susceptible to severe wildfire,' the departments says on its website. House Speaker Nancy Pelosi said Saturday. The size of the state of Rhode Island,' U.S.

Lightning Complex in Santa Cruz andВ San Mateo counties вЂ“ has burned about 100В square milesВ and is 5% contained. fire complexes grew to be the state's second and third largest wildfires ever on Saturday, trailing the 2018В Mendocino Complex Fire, which burned more than 700 square miles, according toВ Cal Fire.ДЇarther west, a third complexВ вЂ“ the C.Z.U. The fire has burned more than 450В square milesВ and is 10% contained.

Lightning Complex was burning inВ Santa Clara, Alameda, Contra Costa, San Joaquin andВ Stanislaus counties. The fireВ hasВ burned more than 490В square milesВ and is 15% contained, according to Cal Fire.Д®ast of Silicon Valley, the S.C.U. Lightning Complex, was spreading through Napa, Sonoma, Lake, Yolo andВ Stanislaus counties. Hundreds of wildfires were burning as of Saturday, with three major fire complexesВ вЂ“В encompassing dozens of fires вЂ“В carvingВ their way through forest, canyon country and rural areas in northern and central California.ДЄ group of fires in Napa Valley, known as the L.N.U. Map: How many fires are burning in California right now? 'The worst is not behind us,' Cal Fire Chief Thom Porter tweeted Saturday,В referencing lightning activity that is expected across the state.Д¬alifornia fires: This is how a lightning storm can start a wildfire Of particular concern: The storms could produceВ more dry lightning strikes,В which occur withoutВ significant rainfall and often with high winds. Thunderstorm systems are expected to impact portions of Northern CaliforniaВ starting early Sunday, prompting the National Weather Service to issue fire weather watchesВ and red flag warnings, Cal FireВ spokesmanВ Daniel Berlant said Saturday afternoon. The forecast for coming days has officials worried lightning may set even more fires.

California fire map