Ash from the recent LA County fires and burn scars formed by other wildfires in the fall can be dispersed by strong winds. See an air quality map.

With the ongoing fires, health officials have warned of poor air quality in areas in and outside the fire zones. The use of power air blowers, including leaf blowers, are prohibited at this time.

Firefighters scrambled to stretch containment lines around the deadly Eaton Fire in the Altadena and Pasadena areas, with gusting Santa Ana winds expected to return Tuesday.