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Geomagnetic storms in Helena — October 4, 2025

October 4, 2025
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Maximum Kp index on October 4, 2025

Kp = 4

Maximum Kp index on October 4, 2025

Geomagnetic disturbances were observed

Kp = 4

Geomagnetic storms in Helena on October 4, 2025

Changes in the geomagnetic index Kp from October 2 to 4, 2025 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 October 2025

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

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

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

Geomagnetic activity indices on October 4, 2025

Geomagnetic index Ap 20
Solar radio flux F10.7 158