Geomagnetic storms 21 February 2025

On Friday, February 21, 2025, a geomagnetic activity level (kIndex) of 4 indicates a "quiet" state of geomagnetic activity, characterized by low to moderate disturbances in Earth's magnetic field. At this level, the effects of solar wind and other space weather phenomena remain largely subdued, with minimal disruptions expected in technology and communication systems. For weather-sensitive individuals, a kIndex of 4 generally has a limited impact. Symptoms related to geomagnetic fluctuations, such as headaches or fatigue, may still occur but are less pronounced compared to higher activity levels. People with certain health conditions, particularly those sensitive to atmospheric changes, could still experience slight discomfort. However, this level of geomagnetic activity is typically manageable, and most individuals are unlikely to feel significant effects. In summary, while a geomagnetic kIndex of 4 suggests relatively stable conditions, it's essential for weather-sensitive individuals to remain aware of minor shifts, though disruptive effects are not anticipated.