Fire Weather Maps

Buildup Index

The Buildup Index is a component of the Canadian Forest Fire Weather Index (FWI) System. It is a numeric rating of the total amount of fuel available for combustion. It combines the Duff Moisture Code and the Drought Code.

Forecasted weather data provided by Environment Canada. More information about forecasted weather is available in the Background Information.

More information about the Canadian Forest Fire Weather Index (FWI) System is available in the Background Information.

Maps updated daily, year-round.