Geomagnetic storms 16 October 2025

On Thursday, October 16, 2025, the geomagnetic activity level, indicated by the kIndex, is rated at 3. This designation reflects a quiet level of geomagnetic activity, suggesting minimal disturbance in the Earth’s magnetic field. Generally, a kIndex of 3 signifies that there is only a moderate chance of minor fluctuations in geomagnetic conditions, which typically do not lead to significant effects on most activities. For weather-sensitive individuals, such as those with certain medical conditions, this level of geomagnetic activity is unlikely to trigger severe symptoms. However, some people may still experience mild effects, including slight fatigue or mood changes, particularly if they are particularly attuned to electromagnetic changes. Conversely, a quieter geomagnetic environment can provide a more stable backdrop for those prone to sensitivity towards atmospheric variations. Overall, the impact of a kIndex of 3 is generally negligible and represents a period of calm in geomagnetic conditions, allowing most individuals to maintain their daily routines without disruption.