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Geomagnetic activity in May 1943
Mean Ap14.5No. 394 of 1138
G1+ days9
G3+ days0
Max Ap611 May 1943
Daily Ap
Daily max Kp
| Date | Max Kp | Ap | Level |
|---|---|---|---|
| 1 May 1943 | 6+ | 61 | G2 |
| 2 May 1943 | 5o | 23 | G1 |
| 12 May 1943 | 5- | 12 | G1 |
| 15 May 1943 | 6- | 26 | G2 |
| 17 May 1943 | 6- | 24 | G2 |
| 18 May 1943 | 6- | 38 | G2 |
| 19 May 1943 | 5o | 19 | G1 |
| 24 May 1943 | 6o | 29 | G2 |
| 28 May 1943 | 5o | 28 | G1 |
Same month a year earlier
| Month | Mean Ap | G1+ | G3+ |
|---|---|---|---|
| May 1942 | 7.8 | 5 | 0 |
| May 1943 | 14.5 | 9 | 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 14.5 in May 1943, No. 394 of 1138 months since 1932; 9 days reached G1 or higher.