In one study, these particles from high-altitude wildfire smoke created a dramatic cooling effect not accounted for in current climate models.

A new NASA-led study helps answer decades-old questions about the role of smoke and human-caused air pollution on clouds and rainfall. Looking specifically at deep convective clouds — tall clouds like ...

Mostly sunny skies and hot 80s are expected this Tuesday afternoon. A CODE ORANGE for Particle Pollution is in effect through Wednesday. Wildfire smoke concentrations may cause breathing problems for ...