Geomagnetic storms in San Marino on December 31, 2025

December 31, 2025

San Marino change region

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Maximum Kp index on December 31, 2025

Kp = 3

The Earth's magnetosphere was quiet

Kp = 3

Changes in the geomagnetic index Kp from December 29 to 31, 2025 for mid latitudes

Time zone — UTC+01 (San Marino | geographic coordinates — 43.92 N 12.47 E)

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PNG API: JSON | TXT

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

Time zone — UTC+01 (San Marino | geographic coordinates — 43.92 N 12.47 E)

November 2025 January 2026

PNG API: JSON | TXT

Geomagnetic index A_p	4
Solar radio flux F10.7	171