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Geomagnetic activity in October 1949
Mean Ap25.3No. 60 of 1138
G1+ days13
G3+ days5
Max Ap15615 Oct 1949
Daily Ap
Daily max Kp
| Date | Max Kp | Ap | Level |
|---|---|---|---|
| 6 Oct 1949 | 5- | 21 | G1 |
| 7 Oct 1949 | 7+ | 65 | G3 |
| 8 Oct 1949 | 7- | 38 | G3 |
| 9 Oct 1949 | 5o | 20 | G1 |
| 13 Oct 1949 | 5o | 14 | G1 |
| 14 Oct 1949 | 8- | 91 | G4 |
| 15 Oct 1949 | 8+ | 156 | G4 |
| 16 Oct 1949 | 7o | 62 | G3 |
| 22 Oct 1949 | 6- | 16 | G2 |
| 23 Oct 1949 | 5- | 17 | G1 |
| 24 Oct 1949 | 5o | 19 | G1 |
| 27 Oct 1949 | 6o | 35 | G2 |
| 28 Oct 1949 | 6- | 32 | G2 |
Same month a year earlier
| Month | Mean Ap | G1+ | G3+ |
|---|---|---|---|
| October 1948 | 27.1 | 16 | 5 |
| October 1949 | 25.3 | 13 | 5 |
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 25.3 in October 1949, No. 60 of 1138 months since 1932; 13 days reached G1 or higher.