Geomagnetic storms 20 September 2025

On Saturday, September 20, 2025, a geomagnetic activity level of kIndex 1 indicates a period of quiet geomagnetic conditions. This low level of activity suggests minimal disturbances in the Earth's magnetic field, which typically results from a lack of significant solar storms or coronal mass ejections. During such quiet periods, the atmosphere remains largely stable, and there are no major fluctuations in geomagnetic forces that might affect technological systems or human physiology. For weather-sensitive individuals, this quiet geomagnetic activity can be beneficial. With stable conditions, people may experience fewer disruptions in their daily routines or health. Those prone to migraines, mood swings, or other conditions influenced by atmospheric changes are likely to enjoy a respite from discomfort as the calm environment does not trigger these responses. Overall, a kIndex of 1 signifies a serene and predictable day, promoting a sense of well-being and normalcy for many.