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Geomagnetic storms — December 18, 2025

December 18, 2025
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Maximum Kp index on December 18, 2025

Kp = 4+

Maximum Kp index on December 18, 2025

Geomagnetic disturbances were observed

Kp = 4+

Geomagnetic storms on December 18, 2025

Changes in the geomagnetic index Kp from December 16 to 18, 2025 for mid latitudes

Time zone — UTC+00

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Geomagnetic index Kp for 3 days
PNG API: JSON | TXT

Geomagnetic storms in December 2025

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

Time zone — UTC+00

November 2025 January 2026
Daily Kp index in December 2025
PNG API: JSON | TXT

Geomagnetic activity indices on December 18, 2025

Geomagnetic index Ap 17
Solar radio flux F10.7 116