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Geomagnetic storm on 28 Mar 1966 (G3)
Max Kp7oG3
Ap42No. 9 in 1966
Consecutive G1+ days2
Ap rank1,426since 1932
Kp by 3-hour slot (UTC)
3o
2-
4-
4+
5-
5o
7o
5-
The days around it
| Date | Max Kp | Ap | Level |
|---|---|---|---|
| 25 Mar 1966 | 4- | 14 | – |
| 26 Mar 1966 | 6- | 20 | G2 |
| 27 Mar 1966 | 3+ | 13 | – |
| 28 Mar 1966 | 7o | 42 | G3 |
| 29 Mar 1966 | 5- | 12 | G1 |
| 30 Mar 1966 | 3- | 6 | – |
| 31 Mar 1966 | 2o | 3 | – |
Highest-Ap days of 1966
112
92
82
78
67
64
48
48
42
42
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 42: No. 1,426 of 34,615 days since 1932 by Ap.