Geomagnetic storms in Harrisburg on October 12, 2026

October 12, 2026

Harrisburg change region

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Maximum Kp index on October 12, 2026

Kp = 3+

The Earth's magnetosphere was quiet

Kp = 3+

Changes in the geomagnetic index Kp from October 10 to 12, 2026 for mid latitudes

Time zone — UTC−05 — summer time (Harrisburg | geographic coordinates — 40.27 N 76.88 W)

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PNG API: JSON | TXT

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

Time zone — UTC−05 — summer time (Harrisburg | geographic coordinates — 40.27 N 76.88 W)

September 2026

PNG API: JSON | TXT

Geomagnetic index A_p	7
Solar radio flux F10.7	123