Aurora & Space WeatherHome › Geomagnetic history › 1984
Geomagnetic activity in November 1984
Mean Ap20.7No. 134 of 1138
G1+ days10
G3+ days2
Max Ap11216 Nov 1984
Daily Ap
Daily max Kp
| Date | Max Kp | Ap | Level |
|---|---|---|---|
| 1 Nov 1984 | 6- | 27 | G2 |
| 7 Nov 1984 | 5o | 20 | G1 |
| 10 Nov 1984 | 5o | 18 | G1 |
| 11 Nov 1984 | 5o | 20 | G1 |
| 15 Nov 1984 | 7+ | 52 | G3 |
| 16 Nov 1984 | 8o | 112 | G4 |
| 17 Nov 1984 | 5+ | 35 | G1 |
| 18 Nov 1984 | 5- | 22 | G1 |
| 29 Nov 1984 | 5o | 13 | G1 |
| 30 Nov 1984 | 6o | 36 | G2 |
Same month a year earlier
| Month | Mean Ap | G1+ | G3+ |
|---|---|---|---|
| November 1983 | 21.0 | 15 | 1 |
| November 1984 | 20.7 | 10 | 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 20.7 in November 1984, No. 134 of 1138 months since 1932; 10 days reached G1 or higher.