The Air Quality Index measured 156 near Forks, Washington, and received a rating of "unhealthy," meaning some members of the general public may experience health effects and members of sensitive groups may experience more serious health effects. No major wildfires were reported nearby, however.

The National Weather Service has issued an air quality alert due to harmful levels of windblown dust and ash as multiple fires continue to burn in the region.

The hazardous air quality in Los Angeles is largely a result of smoke from the Pacific Palisades Fire, intensified by strong Santa Ana winds.