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Geomagnetic activity in January 1950
Mean Ap11.6No. 611 of 1138
G1+ days2
G3+ days1
Max Ap4224 Jan 1950
Daily Ap
Daily max Kp
| Date | Max Kp | Ap | Level |
|---|---|---|---|
| 24 Jan 1950 | 7- | 42 | G3 |
| 25 Jan 1950 | 5- | 24 | G1 |
Same month a year earlier
| Month | Mean Ap | G1+ | G3+ |
|---|---|---|---|
| January 1949 | 20.3 | 9 | 4 |
| January 1950 | 11.6 | 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.
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About this page
Mean Ap 11.6 in January 1950, No. 611 of 1138 months since 1932; 2 days reached G1 or higher.