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Geomagnetic activity in July 1946
Mean Ap22.0No. 108 of 1138
G1+ days13
G3+ days3
Max Ap15227 Jul 1946
Daily Ap
Daily max Kp
| Date | Max Kp | Ap | Level |
|---|---|---|---|
| 3 Jul 1946 | 5- | 17 | G1 |
| 7 Jul 1946 | 5+ | 37 | G1 |
| 9 Jul 1946 | 5- | 18 | G1 |
| 14 Jul 1946 | 5o | 18 | G1 |
| 16 Jul 1946 | 5- | 15 | G1 |
| 18 Jul 1946 | 6+ | 36 | G2 |
| 19 Jul 1946 | 5+ | 26 | G1 |
| 23 Jul 1946 | 5o | 19 | G1 |
| 25 Jul 1946 | 5- | 18 | G1 |
| 26 Jul 1946 | 9- | 79 | G5 |
| 27 Jul 1946 | 9o | 152 | G5 |
| 29 Jul 1946 | 7o | 60 | G3 |
| 30 Jul 1946 | 5o | 31 | G1 |
Same month a year earlier
| Month | Mean Ap | G1+ | G3+ |
|---|---|---|---|
| July 1945 | 9.4 | 6 | 0 |
| July 1946 | 22.0 | 13 | 3 |
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 22.0 in July 1946, No. 108 of 1138 months since 1932; 13 days reached G1 or higher.