Geomagnetic storms in San Antonio on October 16, 2025

October 16, 2025

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Maximum Kp index on October 16, 2025

Kp = 2

The Earth's magnetosphere was quiet

Kp = 2

Changes in the geomagnetic index Kp from October 14 to 16, 2025 for mid latitudes

Time zone — UTC−05 — summer time (San Antonio | geographic coordinates — 29.46 N 98.52 W)

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PNG API: JSON | TXT

Changes in the maximum daily geomagnetic index Kp in October 2025 for mid latitudes

Time zone — UTC−05 — summer time (San Antonio | geographic coordinates — 29.46 N 98.52 W)

September 2025 November 2025

PNG API: JSON | TXT

Geomagnetic index A_p	4
Solar radio flux F10.7	161