Calculating air pollution from wildfires and other events has become more complicated. That doesn’t mean it’s necessarily ...

Wildfire ash carries many carcinogens that could cause short- and long-term health problems, including asthma attacks and ...

Epidemiological studies have linked dirty air to dementia and other brain disorders. Now researchers are trying to determine ...

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

On Wednesday at 6:04 a.m. an air quality alert was issued valid until 7 p.m. The alert is for Eastern San Fernando Valley, ...

An air quality alert was issued on Monday at 8:08 p.m. in effect until Wednesday at 7 p.m. The alert is for Joshua Tree, ...

As people return to the structures spared from Los Angeles wildfires, experts warn that they should be careful of the air ...

Arizona is the only state with 'unhealthy' air quality. Part of it stems from our geography, but part also comes from our ...

After the fires get under control, wind could help push some particles out of the air, as will gravity with some larger ...

Virtually all of Los Angeles is experiencing "unhealthy" air quality levels amid the devastating fires that ignited in early ...

With strong winds in the forecast, the Coachella Valley is expected to see wildfire smoke until 5 p.m. Saturday and dust ...

As the wildfires raged and smoke billowed across Los Angeles, officials issued air quality alerts, schools canceled classes ...