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Geomagnetic storm on 23 Apr 2023 (G4)
Max Kp8+G4
Ap65No. 4 in 2023
Consecutive G1+ days2
Ap rank494since 1932
Kp by 3-hour slot (UTC)
2+
2-
1+
3+
5-
5+
8+
7+
The days around it
| Date | Max Kp | Ap | Level |
|---|---|---|---|
| 20 Apr 2023 | 2+ | 4 | – |
| 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 | – |
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 8+, Ap 65: No. 494 of 34,615 days since 1932 by Ap.