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Geomagnetic storms in Bismarck — September 28, 2026

September 28, 2026
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Maximum Kp index on September 28, 2026

Kp = 2

Maximum Kp index on September 28, 2026

The Earth's magnetosphere was quiet

Kp = 2

Geomagnetic storms in Bismarck on September 28, 2026

Changes in the geomagnetic index Kp from September 26 to 28, 2026 for mid latitudes

Time zone — UTC−05 — summer time (Bismarck | geographic coordinates — 46.81 N 100.78 W)

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

Geomagnetic storms in Bismarck in September 2026

Changes in the maximum daily geomagnetic index Kp in September 2026 for mid latitudes

Time zone — UTC−05 — summer time (Bismarck | geographic coordinates — 46.81 N 100.78 W)

August 2026 October 2026
Daily Kp index in September 2026
PNG API: JSON | TXT

Geomagnetic activity indices on September 28, 2026

Geomagnetic index Ap 4
Solar radio flux F10.7 95