If a sound accompanies your smoke detector's flashing red light, however, it may mean that immediate action needs to be taken. The reasons for this can vary depending on your brand of smoke detector.

Smoke particles scatter sunlight more, lending to the appearance of longer wavelengths of light, which appear red, the Indianapolis Star reported. Smoke advisory due to Line, Roblar Fires ...

When wildfire smoke is present, the filtering is even stronger, and you can get a deep red or even a blood-orange sky. It can also look apocalyptic , if the smoke is especially thick.

Wildfire smoke fills the air with tiny particles. The particles, such as soot, ash, and other aerosols, are much larger than the gas molecules in the atmosphere. DON'T MISS: The Weather Network's ...