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Geomagnetic activity in November 1957
Mean Ap18.0No. 204 of 1138
G1+ days9
G3+ days2
Max Ap6426 Nov 1957
Daily Ap
Daily max Kp
| Date | Max Kp | Ap | Level |
|---|---|---|---|
| 6 Nov 1957 | 6+ | 24 | G2 |
| 7 Nov 1957 | 7o | 31 | G3 |
| 9 Nov 1957 | 5- | 29 | G1 |
| 10 Nov 1957 | 5o | 26 | G1 |
| 18 Nov 1957 | 5- | 25 | G1 |
| 25 Nov 1957 | 5+ | 30 | G1 |
| 26 Nov 1957 | 7- | 64 | G3 |
| 27 Nov 1957 | 6+ | 47 | G2 |
| 28 Nov 1957 | 5o | 28 | G1 |
Same month a year earlier
| Month | Mean Ap | G1+ | G3+ |
|---|---|---|---|
| November 1956 | 24.0 | 15 | 5 |
| November 1957 | 18.0 | 9 | 2 |
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
Mean Ap 18.0 in November 1957, No. 204 of 1138 months since 1932; 9 days reached G1 or higher.