Geomagnetic storms in Harrisburg on October 21, 2026

October 21, 2026

Harrisburg change region

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Maximum Kp index on October 21, 2026

Kp = 5-

Geomagnetic disturbances were observed

Kp = 5-

Changes in the geomagnetic index Kp from October 19 to 21, 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	19
Solar radio flux F10.7	115