AirMap is an app that gives drone pilots access to low-altitude navigational info. The wildfire alerts it gets from the US Department of the Interior is more up-to-date than the ones published by the Federal Aviation Administration. Wildfires tend to spread rapidly, and by the time the FAA's notices go out, they've either reached other regions or are already extinguished.
If you'll recall, the local government of California offered a $75,000 reward in 2015 to catch the drone pilots who flew their UAVs over three different forest fires. In one incident, authorities said the aerial firefighters spotted five drones flying over the area, forcing them to land their vehicles and causing a massive delay. This new feature will prevent that from happening again. Authorities can override temporary restrictions by logging into authorized DJI accounts, though, so first responders can still use DJI's machines to assess affected locations.