Geomagnetic activity in 1988
Mean Ap12.7
G1+59days
G3+8days
G50days
G1+ days by month
- January 1988
- February 1988
- March 1988
- April 1988
- May 1988
- June 1988
- July 1988
- August 1988
- September 1988
- October 1988
- November 1988
- December 1988
Nearby years (G1+ days)
140
139
83
71
56
59
123
104
141
107
108
Top 10 days by Ap
| Date | Max Kp | Ap | Level |
|---|---|---|---|
| 6 May 1988 | 7+ | 106 | G3 |
| 22 Feb 1988 | 7+ | 97 | G3 |
| 10 Oct 1988 | 8- | 85 | G4 |
| 4 Apr 1988 | 7+ | 78 | G3 |
| 15 Jan 1988 | 7+ | 63 | G3 |
| 11 Sep 1988 | 6o | 51 | G2 |
| 26 Mar 1988 | 7o | 49 | G3 |
| 14 Jan 1988 | 7o | 48 | G3 |
| 3 Apr 1988 | 8o | 48 | G4 |
| 6 Apr 1988 | 6+ | 48 | G2 |
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
1988 had 59 G1+ storm days (No. 64 of 95 years) and 8 G3+ days.