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Geomagnetic storms in Helsinki — August 20, 2025

August 20, 2025
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Maximum Kp index on August 20, 2025

Kp = 4

Maximum Kp index on August 20, 2025

Geomagnetic disturbances were observed

Kp = 4

Geomagnetic storms in Helsinki on August 20, 2025

Changes in the geomagnetic index Kp from August 18 to 20, 2025 for mid latitudes

Time zone — UTC+03 — summer time (Helsinki | geographic coordinates — 60.18 N 24.93 E)

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

Geomagnetic storms in Helsinki in August 2025

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

Time zone — UTC+03 — summer time (Helsinki | geographic coordinates — 60.18 N 24.93 E)

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

Geomagnetic activity indices on August 20, 2025

Geomagnetic index Ap 13
Solar radio flux F10.7 120