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Geomagnetic storms in Helena — April 13, 2026

April 13, 2026
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Maximum Kp index on April 13, 2026

Kp = 2

Maximum Kp index on April 13, 2026

The Earth's magnetosphere was quiet

Kp = 2

Geomagnetic storms in Helena on April 13, 2026

Changes in the geomagnetic index Kp from April 11 to 13, 2026 for mid latitudes

Time zone — UTC−06 — summer time (Helena | geographic coordinates — 46.6 N 112.03 W)

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

Geomagnetic storms in Helena in April 2026

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

Time zone — UTC−06 — summer time (Helena | geographic coordinates — 46.6 N 112.03 W)

March 2026 May 2026
Daily Kp index in April 2026
PNG API: JSON | TXT

Geomagnetic activity indices on April 13, 2026

Geomagnetic index Ap 3
Solar radio flux F10.7 99