An air quality alert was issued on Wednesday at 4:14 p.m. in effect until Thursday at 6 p.m. The alert is for San Bernardino ...

Southern California air quality monitors issued a dust and ash alert for all of Los Angeles County as strong Santa Ana winds ...

On Sunday at 4:16 p.m. an air quality alert was issued valid until Tuesday at 10 p.m. The alert is for San Bernardino and ...

Unlike typical wildfires, smoke from the L.A. fires — consisting of toxic materials from burned down homes, cars, and more — ...

On Sunday at 6:48 a.m. an air quality alert was issued valid until 10 p.m. The alert is for San Bernardino/Riverside County Valleys-The Inland Empire, San Bernardino County Mountains, Riverside ...

Ash from the recent LA County fires and burn ... 7 p.m. Wednesday by the South Coast Air Quality Management District. It includes most of Los Angeles, Orange and Riverside counties in the South ...

Coverage of when the Hughes fire exploded north of Castaic, the areas under evacuation orders and an extended red flag ...

Major air pollutants have declined in recent decades, but USA TODAY’s analysis shows wildfire smoke is taking their place.

Coverage of the Hughes, Sepulveda and Laguna fires in Southern California during a fourth consecutive day of red flag fire ...

Some of the most destructive wildfires in California's history have killed at least 25 people in Los Angeles County, caused ...