Geomagnetic storms 20 December 2025

On Saturday, December 20, 2025, a kIndex of 3 indicates a level of geomagnetic activity classified as "quiet." This level signifies minimal disturbances in the Earth's magnetic field, primarily resulting from solar wind fluctuations and solar activity. As a result, the magnetic environment remains relatively stable, which is generally considered beneficial for both technological systems and biological processes. For weather-sensitive individuals, a kIndex of 3 typically has little to no noticeable impact. People prone to weather-related sensitivities may find that their usual discomforts, such as headaches or mood swings, are less pronounced during this quiet period. Additionally, outdoor activities can generally proceed without concern for geomagnetically induced disruptions. Overall, a kIndex of 3 suggests a calm period where both technology and human health experience minimal interference from geomagnetic activity, allowing individuals to engage in daily life with few reported effects related to magnetic fluctuations.