Geomagnetic storms in Greater Sudbury on December 29, 2025

December 29, 2025

Greater Sudbury change region

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Maximum Kp index on December 29, 2025

Kp = 3-

The Earth's magnetosphere was quiet

Kp = 3-

Changes in the geomagnetic index Kp from December 27 to 29, 2025 for mid latitudes

Time zone — UTC−05 (Greater Sudbury | geographic coordinates — 46.49 N 81.01 W)

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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−05 (Greater Sudbury | geographic coordinates — 46.49 N 81.01 W)

November 2025 January 2026

PNG API: JSON | TXT

Geomagnetic index A_p	9
Solar radio flux F10.7	196