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Geomagnetic storms in Thunder bay — June 2025

June 2025
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Geomagnetic storms in Thunder bay in June 2025

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

Time zone — UTC−04 — summer time (Thunder bay | geographic coordinates — 48.42 N 89.28 W)

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

Geomagnetic storm calendar in June 2025 by time in Thunder bay

Days with magnetic storms — 9 Days with geomagnetic disturbances — 6

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

Ap and F10.7 index values in June 2025

Maximum value of the Ap index for the month — 107 Maximum value of the F10.7 index for the month — 161 Maximum value of the Kp index for the month — 8

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