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Geomagnetic activity in November 1971
Mean Ap10.6No. 695 of 1138
G1+ days4
G3+ days0
Max Ap4523 Nov 1971
Daily Ap
Daily max Kp
| Date | Max Kp | Ap | Level |
|---|---|---|---|
| 22 Nov 1971 | 5+ | 31 | G1 |
| 23 Nov 1971 | 6o | 45 | G2 |
| 24 Nov 1971 | 5+ | 36 | G1 |
| 25 Nov 1971 | 6o | 43 | G2 |
Same month a year earlier
| Month | Mean Ap | G1+ | G3+ |
|---|---|---|---|
| November 1970 | 11.9 | 4 | 1 |
| November 1971 | 10.6 | 4 | 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.
About this page
Mean Ap 10.6 in November 1971, No. 695 of 1138 months since 1932; 4 days reached G1 or higher.