Wildfires

Source agencies

• NASA / University of Maryland (Global Fire Atlas) - Public Domain (U.S. Government) (Global large-fire event stream used for worldwide annual and rolling-window wildfire aggregates.)
• National Interagency Fire Center / IRWIN - Public Domain (U.S. Government) (USA wildfire event stream used when admin2 aggregate coverage is available for county rollups.)
• Natural Resources Canada - Canadian National Fire Database - Open Government Licence - Canada (Canada wildfire event stream used when admin2 aggregate coverage is available for province/county-equivalent rollups.)
• Natural Resources Canada - Canadian National Fire Database - Open Government Licence - Canada (Primary upstream. NFDB_point (all fires) and NFDB_poly (large fire perimeters >= 200 ha). Covers Canada 1930-present.)
• National Interagency Fire Center / IRWIN - Public Domain (U.S. Government) (Primary upstream. Wildfire incident reports from NIFC and the Integrated Reporting of Wildland-fire Information (IRWIN) system. Live and recent rows preserve timestamp-level discovery/start times and operational duration helpers.)
• Monitoring Trends in Burn Severity (USFS / USGS) - Public Domain (U.S. Government) (Historical large-fire upstream. MTBS fire-occurrence points provide ignition day precision through ig_date; published historical rows normalize that day to a UTC start/end window for animation and filtering.)
• NASA / University of Maryland (Global Fire Atlas) - Public Domain (U.S. Government) (Sole upstream. MODIS Collection 6.1 burned area product. Annual shapefiles (ignitions + perimeters) downloaded from Zenodo. Covers 2002-2024.)