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Geomagnetic activity in September 1954
Mean Ap16.6No. 265 of 1138
G1+ days8
G3+ days1
Max Ap4520 Sep 1954
Daily Ap
Daily max Kp
| Date | Max Kp | Ap | Level |
|---|---|---|---|
| 1 Sep 1954 | 6- | 27 | G2 |
| 2 Sep 1954 | 5+ | 22 | G1 |
| 3 Sep 1954 | 5- | 24 | G1 |
| 6 Sep 1954 | 6- | 21 | G2 |
| 14 Sep 1954 | 6- | 30 | G2 |
| 20 Sep 1954 | 7- | 45 | G3 |
| 28 Sep 1954 | 5o | 17 | G1 |
| 29 Sep 1954 | 5+ | 30 | G1 |
Same month a year earlier
| Month | Mean Ap | G1+ | G3+ |
|---|---|---|---|
| September 1953 | 21.1 | 15 | 3 |
| September 1954 | 16.6 | 8 | 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 16.6 in September 1954, No. 265 of 1138 months since 1932; 8 days reached G1 or higher.