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Geomagnetic storm on 3 Dec 2025 (G3)
Max Kp7-G3
Ap31No. 35 in 2025
Consecutive G1+ days2
Ap rank2,833since 1932
Kp by 3-hour slot (UTC)
1o
2+
2-
3-
4o
4+
7-
5o
The days around it
| Date | Max Kp | Ap | Level |
|---|---|---|---|
| 30 Nov 2025 | 4o | 14 | – |
| 1 Dec 2025 | 4- | 9 | – |
| 2 Dec 2025 | 3- | 7 | – |
| 3 Dec 2025 | 7- | 31 | G3 |
| 4 Dec 2025 | 5o | 32 | G1 |
| 5 Dec 2025 | 3+ | 14 | – |
| 6 Dec 2025 | 4o | 14 | – |
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 7-, Ap 31: No. 2,833 of 34,615 days since 1932 by Ap.