Versions Compared


  • This line was added.
  • This line was removed.
  • Formatting was changed.


To calculate the FFDI we can use the tool called the Forest Fire Danger Meter Mk5, also known at the McArthur Meter (see picture below) or computer programs or smartphone apps that perform the same calculations.


Not all smart phone applications use the current Forest Fire Danger Meter. To ensure consistency, we recommend that you use the NSW RFS Firefighter's Pocketbook application. Image Added Image Added Image Added

Forest Fire Danger Meter Mk5