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Geomagnetic activity in June 1985
Mean Ap11.2No. 648 of 1138
G1+ days6
G3+ days0
Max Ap307 Jun 1985
Daily Ap
Daily max Kp
| Date | Max Kp | Ap | Level |
|---|---|---|---|
| 6 Jun 1985 | 5+ | 25 | G1 |
| 7 Jun 1985 | 5- | 30 | G1 |
| 9 Jun 1985 | 6+ | 22 | G2 |
| 10 Jun 1985 | 6- | 30 | G2 |
| 20 Jun 1985 | 5o | 13 | G1 |
| 26 Jun 1985 | 5- | 21 | G1 |
Same month a year earlier
| Month | Mean Ap | G1+ | G3+ |
|---|---|---|---|
| June 1984 | 15.2 | 10 | 1 |
| June 1985 | 11.2 | 6 | 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 11.2 in June 1985, No. 648 of 1138 months since 1932; 6 days reached G1 or higher.