Geomagnetic storms today

On Monday, September 29, 2025, a kIndex level of 4 indicates a moderate level of geomagnetic activity. This level reflects some disturbances in the Earth's magnetic field, primarily due to solar wind interactions. While a kIndex of 4 does not signify extreme conditions, it can still be associated with visible auroras at higher latitudes and minor effects on satellite operations. For weather-sensitive individuals, the impact of this moderate geomagnetic activity may vary. Some people may experience mild headaches, fatigue, or heightened emotional sensitivity, as changes in geomagnetic fields can influence circadian rhythms and overall well-being. Additionally, those with existing health conditions, particularly cardiovascular issues, might report an increase in symptoms during periods of geomagnetic disturbances. While the effects are generally mild, it's essential for weather-sensitive individuals to stay informed about geomagnetic activity, as fluctuations may influence both physical and mental health. Overall, a kIndex of 4 signifies a period where attention is warranted, but it poses limited risk for the general population.