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Geomagnetic activity in October 1933
Mean Ap10.1No. 743 of 1138
G1+ days5
G3+ days0
Max Ap267 Oct 1933
Daily Ap
Daily max Kp
| Date | Max Kp | Ap | Level |
|---|---|---|---|
| 5 Oct 1933 | 5- | 20 | G1 |
| 7 Oct 1933 | 5- | 26 | G1 |
| 12 Oct 1933 | 5+ | 19 | G1 |
| 13 Oct 1933 | 5- | 17 | G1 |
| 18 Oct 1933 | 5- | 19 | G1 |
Same month a year earlier
| Month | Mean Ap | G1+ | G3+ |
|---|---|---|---|
| October 1932 | 10.1 | 5 | 0 |
| October 1933 | 10.1 | 5 | 0 |
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 10.1 in October 1933, No. 743 of 1138 months since 1932; 5 days reached G1 or higher.