Aurora & Space WeatherHome › Geomagnetic history › 2023
Geomagnetic storm on 24 Apr 2023 (G4)
Max Kp8oG4
Ap72No. 3 in 2023
Consecutive G1+ days2
Ap rank397since 1932
Kp by 3-hour slot (UTC)
7-
8o
7o
6-
4-
3o
2+
3o
The days around it
| Date | Max Kp | Ap | Level |
|---|---|---|---|
| 21 Apr 2023 | 3+ | 9 | – |
| 22 Apr 2023 | 2+ | 6 | – |
| 23 Apr 2023 | 8+ | 65 | G4 |
| 24 Apr 2023 | 8o | 72 | G4 |
| 25 Apr 2023 | 3+ | 8 | – |
| 26 Apr 2023 | 3+ | 14 | – |
| 27 Apr 2023 | 4+ | 21 | – |
Highest-Ap days of 2023
91
73
72
65
61
55
52
47
37
37
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 72: No. 397 of 34,615 days since 1932 by Ap.