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Geomagnetic storms in Sofia — December 17, 2025

December 17, 2025
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Maximum Kp index on December 17, 2025

Kp = 5-

Maximum Kp index on December 17, 2025

Geomagnetic disturbances were observed

Kp = 5-

Geomagnetic storms in Sofia on December 17, 2025

Changes in the geomagnetic index Kp from December 15 to 17, 2025 for mid latitudes

Time zone — UTC+02 (Sofia | geographic coordinates — 42.68 N 23.32 E)

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Geomagnetic index Kp for 3 days
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Geomagnetic storms in Sofia in December 2025

Changes in the maximum daily geomagnetic index Kp in December 2025 for mid latitudes

Time zone — UTC+02 (Sofia | geographic coordinates — 42.68 N 23.32 E)

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Daily Kp index in December 2025
PNG API: JSON | TXT

Geomagnetic activity indices on December 17, 2025

Geomagnetic index Ap 18
Solar radio flux F10.7 119