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Geomagnetic storms in Bratislava — September 21, 2026

September 21, 2026
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Maximum Kp index on September 21, 2026

Kp = 2-

Maximum Kp index on September 21, 2026

The Earth's magnetosphere was quiet

Kp = 2-

Geomagnetic storms in Bratislava on September 21, 2026

Changes in the geomagnetic index Kp from September 19 to 21, 2026 for mid latitudes

Time zone — UTC+02 — summer time (Bratislava | geographic coordinates — 48.15 N 17.12 E)

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

Geomagnetic storms in Bratislava in September 2026

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

Time zone — UTC+02 — summer time (Bratislava | geographic coordinates — 48.15 N 17.12 E)

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

Geomagnetic activity indices on September 21, 2026

Geomagnetic index Ap 3
Solar radio flux F10.7 104