Geomagnetic storms today

On Thursday, September 11, 2025, a kIndex of 3 indicates a quiet level of geomagnetic activity. The kIndex is a scale ranging from 0 to 9 that measures variations in the Earth’s magnetic field, with lower values indicating minimal disturbances and higher values signaling heightened geomagnetic storms. A level of 3 suggests that geomagnetic conditions are stable, causing little to no disruption to electronic systems or satellite operations. For weather-sensitive individuals, a kIndex of 3 typically has a minimal impact. Those with conditions potentially affected by geomagnetic activity, such as migraines or other health sensitivities, may experience slight changes but are unlikely to report significant symptoms. Overall, this level of geomagnetic activity implies a conducive environment for outdoor activities and minimal concerns from electromagnetic interference. In short, a kIndex of 3 presents a tranquil magnetic environment, beneficial for both technological operations and the general public's well-being.