Geomagnetic storms in Cheyenne on August 12, 2026

August 12, 2026

Cheyenne change region

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Maximum Kp index on August 12, 2026

Kp = 3-

The Earth's magnetosphere was quiet

Kp = 3-

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

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

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PNG API: JSON | TXT

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

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

July 2026 September 2026

PNG API: JSON | TXT

Geomagnetic index A_p	8
Solar radio flux F10.7	100