Geomagnetic storms 11 October 2025

On Saturday, October 11, 2025, a kIndex of 4 indicates a level of geomagnetic activity that is classified as "unsettled." While this level is not particularly high, it suggests some fluctuation in the Earth's magnetic field, which can occur due to solar wind disturbances or coronal mass ejections. For weather-sensitive individuals, particularly those with conditions such as migraines, anxiety, or other weather-related sensitivities, a kIndex of 4 may result in mild symptoms. Some people may experience increased headaches or mood changes, potentially linked to changes in ionospheric conditions. Additionally, a heightened level of geomagnetic activity can affect electronic devices and global positioning systems, which may cause minor disruptions. Overall, while a kIndex of 4 signifies only moderate geomagnetic activity, those who are particularly attuned to such fluctuations may notice subtle effects on their well-being or daily routines. Staying mindful of these potential impacts can help individuals manage their sensitivities effectively.