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Geomagnetic activity in June 1973
Mean Ap17.3No. 239 of 1138
G1+ days11
G3+ days0
Max Ap4129 Jun 1973
Daily Ap
Daily max Kp
| Date | Max Kp | Ap | Level |
|---|---|---|---|
| 2 Jun 1973 | 5- | 20 | G1 |
| 10 Jun 1973 | 6+ | 33 | G2 |
| 11 Jun 1973 | 5+ | 34 | G1 |
| 12 Jun 1973 | 5- | 30 | G1 |
| 13 Jun 1973 | 5- | 24 | G1 |
| 18 Jun 1973 | 5+ | 30 | G1 |
| 19 Jun 1973 | 5+ | 38 | G1 |
| 24 Jun 1973 | 5o | 34 | G1 |
| 28 Jun 1973 | 5o | 21 | G1 |
| 29 Jun 1973 | 6+ | 41 | G2 |
| 30 Jun 1973 | 5- | 29 | G1 |
Same month a year earlier
| Month | Mean Ap | G1+ | G3+ |
|---|---|---|---|
| June 1972 | 14.5 | 4 | 2 |
| June 1973 | 17.3 | 11 | 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 17.3 in June 1973, No. 239 of 1138 months since 1932; 11 days reached G1 or higher.