Geomagnetic storms today

On November 9, 2025, a kIndex level of 4 indicates a moderate level of geomagnetic activity. This level is often associated with a range of mild effects, but still predominantly falls within a "quiet" category. The kIndex measures disturbances in Earth's magnetic field, influenced by solar winds and cosmic events. While a kIndex of 4 suggests some fluctuations, it typically does not lead to significant geomagnetic storms. For weather-sensitive individuals, such as those with certain medical conditions or heightened sensitivity to atmospheric changes, the impact may include minor fluctuations in mood or sleep patterns. People with migraines or other neurological sensitivities could also experience a slight uptick in symptoms, although these effects are generally manageable. Overall, while a kIndex of 4 points to a relatively stable geomagnetic environment, those sensitive to such fluctuations might notice subtle changes in their well-being. It's advisable for these individuals to monitor their response and take standard precautions, such as staying hydrated and maintaining a regular routine, to mitigate potential discomfort.