The phrase “urban firestorm” has terrified me since I first heard it, from the climate scientist Daniel Swain, who was ...

The air quality index measures PM2.5, less than 2.5 microns particles, to determine the intensity of air pollution in cities.

In the must-see video above, a fire at an abandoned warehouse sent plumes of smoke skyward in Bakersfield, California, on Wednesday, January 29, footage shows.

Beau Boeckmann stood outside his Ford dealership in the San Fernando Valley last week staring at a thick cloud of smoke ...

Under a red flag warning, any fires that do start are more likely to spread at a rapid rate behind strong winds. Flying embers also speed a brush fire's spread. Powerful gusts can cast hot embers for ...

The oceanographer was far out in the Pacific, off the coast of San Diego, when he saw a high yellow cloud floating toward him. It was smoke ... for California’s coast, especially if fires ...

A cloud of water ... standing by in Stockton, California. Photo courtesy of Chief Warrant Officer 5 Joseph Rosamond. Wildfires like the Palisades Fire can send thick smoke and flames to great ...

A county of 9.6 million people, whether they lost homes to the fires or not, suddenly have one thing in common: the poisoned cloud ... of California) that cover more variables. Wildfire smoke ...

There was red fire coming up from below. It was pretty terrifying. Get top local stories in Southern California ... like a smoke bomb went off," Chancellor said. The expansive smoke cloud cast ...

The Hughes Fire sent thick grey smoke billowing over homes in Santa Clarita, California. At least 31,000 residents were ordered to evacuate due to the rapid spread of the blaze on Wednesday afternoon, ...

As wildfires relentlessly sweep across Southern California and ... big data and cloud computing—fields that intersect closely with wildfire behavior, smoke prediction and exposure analysis.

A magnitude 4.1 earthquake struck off the Northern California coast after midnight on Tuesday, the U.S. Geological Survey said. Several smaller quakes followed.