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Geomagnetic activity in August 1988
Mean Ap10.5No. 713 of 1138
G1+ days2
G3+ days0
Max Ap2422 Aug 1988
Daily Ap
Daily max Kp
| Date | Max Kp | Ap | Level |
|---|---|---|---|
| 20 Aug 1988 | 5o | 17 | G1 |
| 22 Aug 1988 | 6o | 24 | G2 |
Same month a year earlier
| Month | Mean Ap | G1+ | G3+ |
|---|---|---|---|
| August 1987 | 13.4 | 8 | 0 |
| August 1988 | 10.5 | 2 | 0 |
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 10.5 in August 1988, No. 713 of 1138 months since 1932; 2 days reached G1 or higher.