Fine particulate matter contributed to about 239,000 deaths in Europe, but the burden was felt more deeply in some parts of ...

As thick smoke tops Southern California, the air quality is top-of-mind for many. The Valley Air District says they're not seeing any wildfire smoke in Central California skies, but it is concerned ...

Massive wildfires burning in the Los Angeles area have filled the air with a thick cloud of smoke and ash, prompting air quality advisories across a vast stretch of Southern California.