A #firefighter's ability to “read smoke” or interpret smoke issuing from a building ensures that appropriate tactical choices can be made. For example, the first-due officer who can rapidly read smoke can make better decisions about an aggressive fire attack or search and rescue priorities. The four attributes of smoke are volume, velocity, density, and color. Captain Ryan Spade explains, "smoke color is one of many factors considered to understand what is burning, what stage the fire is in, and