Geomagnetic storms today

On June 11, 2025, a kIndex level of 4 indicates a moderate level of geomagnetic activity. This is categorized as "active," rather than quiet, suggesting potential fluctuations in the Earth's magnetic field due to solar wind disturbances. While a kIndex of 4 is not extreme, it may still influence certain individuals, particularly those sensitive to changes in atmospheric conditions. For weather-sensitive people, such as those with certain medical conditions or mental health sensitivities, geomagnetic activity can lead to mild disturbances in mood or physical discomfort. Symptoms may include headaches, fatigue, irritability, or sleep disturbances. Some individuals report a heightened sense of anxiety or restlessness during periods of increased geomagnetic activity. Additionally, those reliant on GPS technology or radio communications, including pilots and maritime workers, may experience brief interruptions or inaccuracies in their devices due to geomagnetic storms. As such, while a kIndex level of 4 is generally manageable, awareness and preparedness can help mitigate any adverse effects on individuals and technology reliant on stable geomagnetic conditions.