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Geomagnetic activity in July 1945
Mean Ap9.4No. 806 of 1138
G1+ days6
G3+ days0
Max Ap421 Jul 1945
Daily Ap
Daily max Kp
| Date | Max Kp | Ap | Level |
|---|---|---|---|
| 1 Jul 1945 | 6o | 42 | G2 |
| 2 Jul 1945 | 5- | 11 | G1 |
| 6 Jul 1945 | 6- | 27 | G2 |
| 17 Jul 1945 | 5- | 15 | G1 |
| 23 Jul 1945 | 5+ | 13 | G1 |
| 30 Jul 1945 | 5o | 17 | G1 |
Same month a year earlier
| Month | Mean Ap | G1+ | G3+ |
|---|---|---|---|
| July 1944 | 5.7 | 0 | 0 |
| July 1945 | 9.4 | 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 9.4 in July 1945, No. 806 of 1138 months since 1932; 6 days reached G1 or higher.