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Geomagnetic activity in October 1961
Mean Ap16.3No. 277 of 1138
G1+ days7
G3+ days2
Max Ap12828 Oct 1961
Daily Ap
Daily max Kp
| Date | Max Kp | Ap | Level |
|---|---|---|---|
| 1 Oct 1961 | 9- | 114 | G5 |
| 12 Oct 1961 | 5o | 20 | G1 |
| 20 Oct 1961 | 5+ | 18 | G1 |
| 26 Oct 1961 | 5+ | 31 | G1 |
| 27 Oct 1961 | 5+ | 30 | G1 |
| 28 Oct 1961 | 9- | 128 | G5 |
| 29 Oct 1961 | 6o | 32 | G2 |
Same month a year earlier
| Month | Mean Ap | G1+ | G3+ |
|---|---|---|---|
| October 1960 | 36.1 | 19 | 5 |
| October 1961 | 16.3 | 7 | 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.
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Mean Ap 16.3 in October 1961, No. 277 of 1138 months since 1932; 7 days reached G1 or higher.