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Geomagnetic storms in Yerevan — October 2025

October 2025
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Geomagnetic storms in Yerevan in October 2025

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

Time zone — UTC+04 (Yerevan | geographic coordinates — 40.18 N 44.5 E)

Changes in the maximum daily geomagnetic index Kp in October 2025
PNG API: JSON | TXT

Geomagnetic storm calendar in October 2025 by time in Yerevan

Days with magnetic storms — 8 Days with geomagnetic disturbances — 6

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

Ap and F10.7 index values in October 2025

Maximum value of the Ap index for the month — 50 Maximum value of the F10.7 index for the month — 184 Maximum value of the Kp index for the month — 7-

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