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Geomagnetic activity in June 1984
Mean Ap15.2No. 350 of 1138
G1+ days10
G3+ days1
Max Ap4216 Jun 1984
Daily Ap
Daily max Kp
| Date | Max Kp | Ap | Level |
|---|---|---|---|
| 3 Jun 1984 | 6+ | 32 | G2 |
| 4 Jun 1984 | 5- | 26 | G1 |
| 9 Jun 1984 | 5- | 20 | G1 |
| 15 Jun 1984 | 5o | 24 | G1 |
| 16 Jun 1984 | 7- | 42 | G3 |
| 18 Jun 1984 | 6- | 27 | G2 |
| 19 Jun 1984 | 5- | 29 | G1 |
| 20 Jun 1984 | 5- | 16 | G1 |
| 23 Jun 1984 | 5- | 11 | G1 |
| 24 Jun 1984 | 6- | 22 | G2 |
Same month a year earlier
| Month | Mean Ap | G1+ | G3+ |
|---|---|---|---|
| June 1983 | 15.4 | 6 | 1 |
| June 1984 | 15.2 | 10 | 1 |
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 15.2 in June 1984, No. 350 of 1138 months since 1932; 10 days reached G1 or higher.