October 4, 2026

ALERT: Geomagnetic K-index of 6

Read the source: NOAA Space Weather Prediction Center (alerts/watches) (opens in new tab)

A geomagnetic K-index of 6 has been reached, indicating a moderate level of geomagnetic activity. This is exciting news for sky-watchers, as it could lead to increased aurora activity at higher latitudes. Sky-watchers in areas poleward of 55 degrees Geomagnetic Latitude may want to look out for potential aurora displays.

Topics: aurora and space weather