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Geomagnetic activity in October 1951
Mean Ap24.1No. 73 of 1138
G1+ days14
G3+ days3
Max Ap9828 Oct 1951
Daily Ap
Daily max Kp
| Date | Max Kp | Ap | Level |
|---|---|---|---|
| 7 Oct 1951 | 7- | 37 | G3 |
| 8 Oct 1951 | 6+ | 60 | G2 |
| 9 Oct 1951 | 5+ | 32 | G1 |
| 10 Oct 1951 | 6- | 42 | G2 |
| 13 Oct 1951 | 6- | 28 | G2 |
| 14 Oct 1951 | 5+ | 24 | G1 |
| 16 Oct 1951 | 5- | 22 | G1 |
| 17 Oct 1951 | 7o | 91 | G3 |
| 18 Oct 1951 | 6o | 47 | G2 |
| 19 Oct 1951 | 6o | 50 | G2 |
| 20 Oct 1951 | 6o | 26 | G2 |
| 22 Oct 1951 | 5o | 22 | G1 |
| 26 Oct 1951 | 5+ | 16 | G1 |
| 28 Oct 1951 | 9- | 98 | G5 |
Same month a year earlier
| Month | Mean Ap | G1+ | G3+ |
|---|---|---|---|
| October 1950 | 27.9 | 16 | 3 |
| October 1951 | 24.1 | 14 | 3 |
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.
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About this page
Mean Ap 24.1 in October 1951, No. 73 of 1138 months since 1932; 14 days reached G1 or higher.