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G2 geomagnetic storm, M2.9 solar flare

Geomagnetic conditions have been at the moderate G2 geomagnetic storming level in response to an extended period where the direction of the IMF (Bz) stayed southward. Source of this activity is unknown but we think this might be one of the faint and slow M-class coronal mass ejections that passed our planet, which would explain the lack of any solar wind speed or density increase.

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Senaste X-utbrottet2025/12/08X1.1
Senaste M-utbrottet2025/12/21M1.3
Senaste geomagnetiska stormen2025/12/21Kp5 (G1)
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Senaste dag utan solfläckar2022/06/08
Månadsvis faktiskt antal solfläckar
november 202591.8 -22.8
december 2025116.9 +25.1
Last 30 days109 +22.2

I dag i historien*

Solutbrott
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42013M2.8
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DstG
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*sedan 1994

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