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Geomagnetic activity in November 1989
Mean Ap19.2No. 174 of 1138
G1+ days9
G3+ days2
Max Ap10917 Nov 1989
Daily Ap
Daily max Kp
| Date | Max Kp | Ap | Level |
|---|---|---|---|
| 2 Nov 1989 | 5o | 21 | G1 |
| 3 Nov 1989 | 5- | 26 | G1 |
| 4 Nov 1989 | 5o | 28 | G1 |
| 9 Nov 1989 | 5o | 25 | G1 |
| 13 Nov 1989 | 5+ | 43 | G1 |
| 17 Nov 1989 | 8o | 109 | G4 |
| 18 Nov 1989 | 7o | 45 | G3 |
| 27 Nov 1989 | 5o | 16 | G1 |
| 28 Nov 1989 | 5- | 28 | G1 |
Same month a year earlier
| Month | Mean Ap | G1+ | G3+ |
|---|---|---|---|
| November 1988 | 12.2 | 4 | 0 |
| November 1989 | 19.2 | 9 | 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.
About this page
Mean Ap 19.2 in November 1989, No. 174 of 1138 months since 1932; 9 days reached G1 or higher.