The Amazon rainforest does not require an annual catastrophe to be changed by fire. Repeated burning can make damaged forest less resilient, while smoke travels far beyond the ignition sites. In October, smoke was already disrupting ordinary life in Amazonas.

An Amazonas environmental oversight bulletin using the INPE reference satellite counted 644 hotspots between October 1 and 7. Reuters reported approximately 1,679 detected in the state's first two weeks, along with emergency measures and serious air-quality concerns. On that evidence, we forecast at least 2,000 hotspots by month's end.

A satellite hotspot is not an individual verified wildfire or a measurement of land area burned. Several detections can arise from one larger fire, and satellite coverage varies. Public reporting should preserve those distinctions while acknowledging what a sustained jump in detections signals.