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Geomagnetic activity in May 1945
Mean Ap9.0No. 842 of 1138
G1+ days0
G3+ days0
Max Ap2211 May 1945
Daily Ap
Daily max Kp
| Date | Max Kp | Ap | Level |
|---|---|---|---|
| – | – | – | – |
Same month a year earlier
| Month | Mean Ap | G1+ | G3+ |
|---|---|---|---|
| May 1944 | 9.4 | 4 | 0 |
| May 1945 | 9.0 | 0 | 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 9.0 in May 1945, No. 842 of 1138 months since 1932; 0 days reached G1 or higher.