The 2026 – 4th Quarter Release of fire extent and burn severity data.
The Monitoring Trends in Burn Severity (MTBS) project has released fire-extent and burn-severity data for 583 fires spanning multiple fire seasons.
Maps included in this release:
The 2026 – 3rd Quarter Release of fire extent and burn severity data.
Following the 2026 Q1 product release and migration to a new development and distribution system, the mapping team has re-issued earlier map products. Some fire maps experienced data inconsistencies during migration; the issues have been addressed and now affected maps are available.
The 2026 – 2nd Quarter Release of fire extent and burn severity data includes map products from several years.
The 2026 – 1st Quarter Release of fire extent and burn severity data.
MTBS has released 299 newly mapped fires from the 2023 and 2024 fire seasons. Included are map products from 106 fires that occurred in several western states, Alaska, and Hawaii during the 2023 fire season.
MTBS has released 449 newly mapped fires from the 2023 and 2024 fire seasons. Included are map products from 53 fires that occurred in several western states during the 2023 fire season.
MTBS has released 348 newly mapped fires in 26 states, including Hawaii and Alaska, from the 2022 fire season. This release concludes the 2022 fire mapping effort. With this product release on https://www.mtbs.gov/ and associated interactive viewer - https://www.mtbs.gov/viewer/, the total number of fires mapped by the program is now 29,583.
MTBS has released 325 newly mapped fires in 20 CONUS states from 2022 fire season. With this product release on https://www.mtbs.gov/ and associated interactive viewer - https://www.mtbs.gov/viewer/, the total number of fires mapped by the program increased to 31,248.