Aurora & Space WeatherHome › Geomagnetic history › 1986
Geomagnetic activity in July 1986
Mean Ap8.2No. 912 of 1138
G1+ days3
G3+ days0
Max Ap2026 Jul 1986
Daily Ap
Daily max Kp
| Date | Max Kp | Ap | Level |
|---|---|---|---|
| 24 Jul 1986 | 6o | 15 | G2 |
| 25 Jul 1986 | 6- | 17 | G2 |
| 27 Jul 1986 | 5o | 16 | G1 |
Same month a year earlier
| Month | Mean Ap | G1+ | G3+ |
|---|---|---|---|
| July 1985 | 14.2 | 7 | 1 |
| July 1986 | 8.2 | 3 | 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 8.2 in July 1986, No. 912 of 1138 months since 1932; 3 days reached G1 or higher.