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Geomagnetic storms in Arkhangelsk — September 17, 2025

September 17, 2025
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Maximum Kp index on September 17, 2025

Kp = 3+

Maximum Kp index on September 17, 2025

The Earth's magnetosphere was quiet

Kp = 3+

Geomagnetic storms in Arkhangelsk on September 17, 2025

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

Time zone — UTC+03 (Arkhangelsk | geographic coordinates — 64.53 N 40.53 E)

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

Geomagnetic storms in Arkhangelsk in September 2025

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

Time zone — UTC+03 (Arkhangelsk | geographic coordinates — 64.53 N 40.53 E)

August 2025 October 2025
Daily Kp index in September 2025
PNG API: JSON | TXT

Geomagnetic activity indices on September 17, 2025

Geomagnetic index Ap 12
Solar radio flux F10.7 147