(Reuters) - Air quality in wildfire-stricken Los Angeles improved on Thursday from hazardous peaks hit earlier this month, as ...

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 ...

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

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 ...

People are taking precautions as multiple wildfires cause poor air quality across a wide swath of Los Angeles County.