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Geomagnetic activity in November 1972
Mean Ap13.9No. 440 of 1138
G1+ days7
G3+ days1
Max Ap981 Nov 1972
Daily Ap
Daily max Kp
| Date | Max Kp | Ap | Level |
|---|---|---|---|
| 1 Nov 1972 | 8o | 98 | G4 |
| 2 Nov 1972 | 6- | 42 | G2 |
| 3 Nov 1972 | 5+ | 13 | G1 |
| 16 Nov 1972 | 5+ | 31 | G1 |
| 20 Nov 1972 | 5- | 27 | G1 |
| 22 Nov 1972 | 5- | 13 | G1 |
| 26 Nov 1972 | 5o | 14 | G1 |
Same month a year earlier
| Month | Mean Ap | G1+ | G3+ |
|---|---|---|---|
| November 1971 | 10.6 | 4 | 0 |
| November 1972 | 13.9 | 7 | 1 |
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 13.9 in November 1972, No. 440 of 1138 months since 1932; 7 days reached G1 or higher.