Smouldering fires in peatlands are a flameless form of combustion. They are emerging as a global concern because they are difficult to detect and supress and they place peatland’s long-term store of carbon and toxic metals on the verge of catastrophic release. Further, prolonged smouldering will cause chronic air quality, water quality and visibility issues for people, livestock, industry and transportation. Given the need to assess and predict wildfire activity in peatlands, a new Peat Moisture Code (PMC) was developed for the next-generation Canadian Forest Fire Danger Rating System, launched in November 2025. The PMC represents ecosystems where fire potential and drying of fuels is controlled by longer-term processes than captured in the current Fire Weather Index system. In its current form the PMC has been developed for a generalized type of peatland in Alberta, however, peatlands are diverse ecosystems controlled by different physical and hydrological dynamics. How these different dynamics affect peat fire risk across different peatland types remains unclear. To ensure the most accurate representation of peat fire risk we 1) create type- and ecozone-specific parameterizations to the PMC by comparing the hydrological and physical properties of four peatland types across several Canadian ecozones and 2) test these parameterizations against historic peatland wildfire data to evaluate the accuracy of peatland fire risk predictions. Parameterization of the PMC will enhance our ability to assess and predict varied peatland fire risk, prevent challenges associated with smouldering fires, and reduce carbon and toxic metal release into the atmosphere.