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Active fires
Every active fire detected from orbit in the last 24 hours.
Active fires is a Pro layer. Open it in the app to see what is behind it.
Open in the app Pro · 9 USDWhat it shows
Every active fire detected from orbit in the last 24 hours. Each detection is a 375 m satellite pixel hot enough to be burning, with its fire radiative power; at low zoom they merge into a heat map. Filters isolate large fires, night passes and high-confidence detections.
Where the data comes from
NASA FIRMS, VIIRS on NOAA-20, global 24-hour file; the server re-downloads it every 15 minutes and the layer refreshes every 5 minutes.
Reading the map
Colour runs from deep orange (about 1 MW) through amber to pale yellow (100 MW and above).
Units Fire radiative power in megawatts (MW).
For business
This map is free. LayEarth Business turns the same forecast into hail, road ice and wildfire smoke downwind for your field or site, by API or CSV.
Put this map on your site
Writing about it? Embed this live map: one iframe, free, no tracking, it stays up to date on its own.