Both directions of Interstate 55 northwest of New Orleans are closed after a series of 25 multi-car pileups killed two people in zero visibility, according to the St. John the Baptist Parish Sheriff.
Wildfires in the drought-stricken state have been burning all summer. The combination of smoke and fog turned deadly.
IIRC while it was originally coined as that portmanteau, it was later "officially" used only for the haze caused by nitrous oxides, ozones and sulfur dioxide from leaded gas/diesel vehicles, coal power, and industrial operations.
Abnormal in every part of the US I've ever been. I just get off the road in adverse conditions because I know people even trying to be safe is a minority. My area has great public transit and pedestrian infrastructure, if I'm driving I've got time to kill.
This literally looks like something from GTA, where you blow up a car and it starts a pile up/explosive chain reaction. The fact this happened in real life is horrifying.