Geomagnetic storms in Helena in August 2025

Aug 1, 2025 Helena

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

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

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List of magnetic storms in August 2025

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

Solar radio flux (10.7 cm) = 163

Mean planetary A index = 47

Mean planetary Kp index = 6