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Geomagnetic activity in January 1988
Mean Ap13.4No. 476 of 1138
G1+ days8
G3+ days2
Max Ap6315 Jan 1988
Daily Ap
Daily max Kp
| Date | Max Kp | Ap | Level |
|---|---|---|---|
| 2 Jan 1988 | 5+ | 29 | G1 |
| 4 Jan 1988 | 5+ | 14 | G1 |
| 6 Jan 1988 | 6o | 31 | G2 |
| 7 Jan 1988 | 6o | 24 | G2 |
| 12 Jan 1988 | 5o | 21 | G1 |
| 14 Jan 1988 | 7o | 48 | G3 |
| 15 Jan 1988 | 7+ | 63 | G3 |
| 18 Jan 1988 | 5- | 12 | G1 |
Same month a year earlier
| Month | Mean Ap | G1+ | G3+ |
|---|---|---|---|
| January 1987 | 8.0 | 1 | 0 |
| January 1988 | 13.4 | 8 | 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.
← December 1987February 1988 →
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Mean Ap 13.4 in January 1988, No. 476 of 1138 months since 1932; 8 days reached G1 or higher.