Geomagnetic storms in Saint Petersburg on December 21, 2025

December 21, 2025

Saint Petersburg change region

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Maximum Kp index on December 21, 2025

Kp = 5-

Geomagnetic disturbances were observed

Kp = 5-

Changes in the geomagnetic index Kp from December 19 to 21, 2025 for mid latitudes

Time zone — UTC+03 (Saint Petersburg | geographic coordinates — 59.93 N 30.32 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+03 (Saint Petersburg | geographic coordinates — 59.93 N 30.32 E)

November 2025 January 2026

PNG API: JSON | TXT

Geomagnetic index A_p	27
Solar radio flux F10.7	124