The Geospatial Multi-Agency Coordination Group, or GeoMAC, is an internet-based mapping tool originally designed for fire managers to access online maps of current fire locations and perimeters in the continental United States, including Alaska.

Active wildfires can be viewed in the USA Wildfire Activity Layer. Additional information about how to use fire perimeter data can be found in several blog posts:

Learning about the Thomas Fire using ArcGIS Online and Living Atlas by Bern Szukalski
Mapping the Inferno by Dan Pisut

Further information about this data can be found here. All of these layers can be found in a corresponding web map which can be copied for customization. The layers in this map can be geoenriched with demographics or used in spatial analysis.

Disclaimer: Wildland fire perimeters are submitted to GeoMAC by the incidents and then posted to the GeoMAC site for downloading. While every effort is made to provide accurate and complete information, there may be gaps in daily coverage. Please note: Files only contain perimeter data as they are submitted by the incidents. Files do not contain all fires. This data are not the authoritative fire perimeter data and should not be used as such.

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