Geomagnetic storms in Cheyenne on September 4, 2026

September 4, 2026

Cheyenne change region

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Maximum Kp index on September 4, 2026

Kp = 3-

The Earth's magnetosphere was quiet

Kp = 3-

Changes in the geomagnetic index Kp from September 2 to 4, 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 September 2026 for mid latitudes

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

August 2026

PNG API: JSON | TXT

Geomagnetic index A_p	4
Solar radio flux F10.7	110