Follow this link to ArcGIS Online: MSS_AKSD
You must log in with NIFC ArcGIS Online credentials to access the AKSD data. The image below is for your reference - it is not a live webpage!
The file you download will be a .zip file. After downloading, extract the .zip file on your device to get the .kmz format which you can import as a layer in to Avenza.
![Download file here](https://ftp.wildfire.gov/public/incident_specific_data/alaska/Statewide_Maps/CGF/Map_Layers/Download_File_Image.png)