Geomagnetic storms in Louisville on September 4, 2026

September 4, 2026

Louisville change region

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Maximum Kp index on September 4, 2026

Kp = 3-

The Earth's magnetosphere was quiet

Kp = 3-

Changes in the geomagnetic index Kp from September 2 to 4, 2026 for mid latitudes

Time zone — UTC−04 — summer time (Louisville | geographic coordinates — 38.17 N 85.75 E)

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

Time zone — UTC−04 — summer time (Louisville | geographic coordinates — 38.17 N 85.75 E)

August 2026 October 2026

PNG API: JSON | TXT

Geomagnetic index A_p	4
Solar radio flux F10.7	110