Do air purifiers help with smoke ... advise against exercising or doing strenuous activities outside during a "Code Red," as bad air quality can lead to negative health effects, CBS News reported.

The term “code red” comes from the U.S. Environmental Protection ... and many other areas do so voluntarily. A man talks on his phone as the haze from wildfire smoke obscures his view of ...

If you're shopping in Walmart (which recently announced several store closures) and you hear "code red" crackling through the speakers, it might be the signal to head for the door pronto.

Here's what else to know — and do — about these warnings. A red flag warning is essentially a heads-up, Wall says. People should prepare for a possible ignition or evacuation, like keeping ...

"Code Red," "Code Blue," "Code Black" -- people sometimes wonder what these terms mean, especially if they're fans of TV hospital dramas. Technically, there's no formal definition for a code ...

Code blue means a medical emergency. Code red means fire or smoke. Code black typically means there is a bomb threat. Hospitals are the most common institutions that use color codes to designate ...

“And this is how the conversation went: ‘Do you see a tree ... The Assembly bill (A3540) would establish a “Code Red” pilot program, which would provide cooling centers for residents ...