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Geomagnetic activity in January 1953
Mean Ap15.4No. 339 of 1138
G1+ days9
G3+ days1
Max Ap515 Jan 1953
Daily Ap
Daily max Kp
| Date | Max Kp | Ap | Level |
|---|---|---|---|
| 5 Jan 1953 | 7- | 51 | G3 |
| 6 Jan 1953 | 5- | 14 | G1 |
| 19 Jan 1953 | 5+ | 27 | G1 |
| 20 Jan 1953 | 5- | 17 | G1 |
| 25 Jan 1953 | 6- | 24 | G2 |
| 26 Jan 1953 | 6- | 44 | G2 |
| 27 Jan 1953 | 5+ | 34 | G1 |
| 28 Jan 1953 | 5o | 27 | G1 |
| 29 Jan 1953 | 5o | 26 | G1 |
Same month a year earlier
| Month | Mean Ap | G1+ | G3+ |
|---|---|---|---|
| January 1952 | 19.4 | 13 | 0 |
| January 1953 | 15.4 | 9 | 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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Mean Ap 15.4 in January 1953, No. 339 of 1138 months since 1932; 9 days reached G1 or higher.