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Magnetic Storms on September 9–10 and the Solar Activity Forecast

UA NEWS 09 September 2026 07:31
Magnetic Storms on September 9–10 and the Solar Activity Forecast

Changes in solar activity are expected on September 9–10, which may affect the Earth’s magnetic field. Magnetic storms can affect how some people feel, including causing headaches, fatigue, and feelings of stress.

 

Geomagnetic activity is measured on a scale from 0 to 9. The planetary K-index is used to indicate this; a reading of 5 or higher indicates a strong magnetic storm.

On Wednesday, September 9, solar activity with a K-index of 5 (red level) is expected, corresponding to strong magnetic storms capable of affecting human health and well-being.

On Thursday, September 10, solar activity with a K-index of 3 (green level) is expected, which corresponds to moderate magnetic storms.

It is important to note that magnetic storm forecasts may change, as solar activity researchers update their data every three hours. Therefore, we recommend monitoring updates regularly.

Source: NOAA Space Weather Prediction Center (SWPC)

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