Geomagnetic storms 29 January 2026

On Thursday, January 29, 2026, a geomagnetic activity level of 4 indicates a moderate level of magnetic disturbance. This kIndex score suggests that while there may be some fluctuations in the Earth's magnetic field, it is primarily categorized as quiet. For weather-sensitive individuals, such as those with certain medical conditions, this level of activity may lead to some mild effects. Individuals may experience minor symptoms like headaches or fatigue, although significant impacts are rare at this level. People who are particularly attuned to atmospheric changes—such as those with migraines—might notice a slight increase in discomfort, but overall, the day is likely to proceed without major disturbances. For most, the 4 kIndex serves as a reminder of the Earth’s dynamic magnetic environment, but it does not typically signal any severe weather or health issues. Staying informed about geomagnetic conditions can help sensitive individuals manage their health and well-being effectively.