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Geomagnetic storm on 1 Jan 2025 (G4)
Max Kp8oG4
Ap81No. 3 in 2025
Consecutive G1+ days2
Ap rank297since 1932
Kp by 3-hour slot (UTC)
4o
5+
5o
6o
7-
8o
6+
4o
The days around it
| Date | Max Kp | Ap | Level |
|---|---|---|---|
| 29 Dec 2024 | 2- | 4 | – |
| 30 Dec 2024 | 2+ | 6 | – |
| 31 Dec 2024 | 4o | 13 | – |
| 1 Jan 2025 | 8o | 81 | G4 |
| 2 Jan 2025 | 5- | 21 | G1 |
| 3 Jan 2025 | 3+ | 10 | – |
| 4 Jan 2025 | 5+ | 31 | G1 |
Highest-Ap days of 2025
137
98
81
75
74
69
69
62
60
57
Dates and time slots are UTC. Kp is the 3-hourly planetary geomagnetic index (0–9); Ap is the daily average disturbance. G1–G5 follow the NOAA storm scale (Kp 5- and above counted as G1). Aurora visibility also depends on weather and location. The latest values are preliminary.
About this page
Max Kp 8o, Ap 81: No. 297 of 34,615 days since 1932 by Ap.