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Geomagnetic storm on 23 Jul 1974 (G3)
Max Kp7oG3
Ap82No. 4 in 1974
Consecutive G1+ days6
Ap rank290since 1932
Kp by 3-hour slot (UTC)
5-
6+
5-
7o
6+
6o
7-
6-
The days around it
| Date | Max Kp | Ap | Level |
|---|---|---|---|
| 20 Jul 1974 | 4- | 11 | – |
| 21 Jul 1974 | 3o | 9 | – |
| 22 Jul 1974 | 3o | 8 | – |
| 23 Jul 1974 | 7o | 82 | G3 |
| 24 Jul 1974 | 6- | 51 | G2 |
| 25 Jul 1974 | 5- | 22 | G1 |
| 26 Jul 1974 | 5o | 20 | G1 |
Highest-Ap days of 1974
130
88
86
82
74
73
70
68
68
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 82: No. 290 of 34,615 days since 1932 by Ap.