List of magnetic storms in December 2025
Location — Barnaul (geographic coordinates — 53.35 N 83.75 E | time zone UTC+07)
Days with magnetic storms — 1
04 December 2025 — Magnetic storm of level G2
Days with geomagnetic disturbances — 4
01 December 2025 — geomagnetic disturbances
03 December 2025 — geomagnetic disturbances
05 December 2025 — geomagnetic disturbances
06 December 2025 — geomagnetic disturbances
Maximum of solar activity in December 2025
Solar radio flux (10.7 cm) = 214
Mean planetary A index = 33
Mean planetary Kp index = 6.67

