Geomagnetic storms in Harrisburg on July 20, 2026

July 20, 2026

Harrisburg change region

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Maximum Kp index on July 20, 2026

Kp = 3-

The Earth's magnetosphere was quiet

Kp = 3-

Changes in the geomagnetic index Kp from July 18 to 20, 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 July 2026 for mid latitudes

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

June 2026 August 2026

PNG API: JSON | TXT

Geomagnetic index A_p	4
Solar radio flux F10.7	137