Geomagnetic storms in Cheyenne on August 13, 2025

August 13, 2025

Cheyenne change region

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Maximum Kp index on August 13, 2025

Kp = 4-

The Earth's magnetosphere was quiet

Kp = 4-

Changes in the geomagnetic index Kp from August 11 to 13, 2025 for mid latitudes

Time zone — UTC−06 — summer time (Cheyenne | geographic coordinates — 41.15 N 104.8 W)

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

Time zone — UTC−06 — summer time (Cheyenne | geographic coordinates — 41.15 N 104.8 W)

July 2025 September 2025

PNG API: JSON | TXT

Geomagnetic index A_p	15
Solar radio flux F10.7	140