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Geomagnetic activity in February 1943
Mean Ap9.3No. 816 of 1138
G1+ days2
G3+ days1
Max Ap4117 Feb 1943
Daily Ap
Daily max Kp
| Date | Max Kp | Ap | Level |
|---|---|---|---|
| 17 Feb 1943 | 7- | 41 | G3 |
| 26 Feb 1943 | 5o | 24 | G1 |
Same month a year earlier
| Month | Mean Ap | G1+ | G3+ |
|---|---|---|---|
| February 1942 | 11.8 | 6 | 0 |
| February 1943 | 9.3 | 2 | 1 |
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 9.3 in February 1943, No. 816 of 1138 months since 1932; 2 days reached G1 or higher.