| Color |
Value |
Category |
Description |
| | Low | Low | Fuels do not ignite readily. Little danger from fire. Fires in deep duff may smoulder. |
| | Moderate | Moderate | Fires start easily from embers and run readily. General fire danger. |
| | High | High | Fires start easily. Spread rapidly. Difficult to control without aerial support. |
| | Very High | Very High | Fires start very easily. Spread very rapidly. Very difficult to control. |
| | Extreme | Extreme | Fires start extremely easily. Uncontrollable. Maximum danger to life and property. |