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Geomagnetic storms in Cheyenne — February 2026

February 2026
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Geomagnetic storms in Cheyenne in February 2026

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

Time zone — UTC−07 (Cheyenne | geographic coordinates — 41.15 N 104.8 W)

Changes in the maximum daily geomagnetic index Kp in February 2026
PNG API: JSON | TXT

Geomagnetic storm calendar in February 2026 by time in Cheyenne

Days with magnetic storms — 5 Days with geomagnetic disturbances — 10

  • G1–G3
  • G4–G5
  • Disturbances
  • Quiet day

Ap and F10.7 index values in February 2026

Maximum value of the Ap index for the month — 37 Maximum value of the F10.7 index for the month — 178 Maximum value of the Kp index for the month — 6

  • F10.7 — solar radio flux at 10.7 cm (top value)
  • Ap — geomagnetic index (bottom value)