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Geomagnetic storm on 12 Sep 2024 (G3)
Max Kp7oG3
Ap71No. 6 in 2024
Consecutive G1+ days2
Ap rank407since 1932
Kp by 3-hour slot (UTC)
2o
4-
6-
7-
7-
6o
7o
5-
The days around it
| Date | Max Kp | Ap | Level |
|---|---|---|---|
| 9 Sep 2024 | 3- | 8 | – |
| 10 Sep 2024 | 2+ | 6 | – |
| 11 Sep 2024 | 4- | 9 | – |
| 12 Sep 2024 | 7o | 71 | G3 |
| 13 Sep 2024 | 6o | 35 | G2 |
| 14 Sep 2024 | 4+ | 18 | – |
| 15 Sep 2024 | 4o | 17 | – |
Highest-Ap days of 2024
271
127
116
105
97
71
71
68
60
54
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 7o, Ap 71: No. 407 of 34,615 days since 1932 by Ap.