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Geomagnetic activity in September 1950
Mean Ap22.3No. 102 of 1138
G1+ days17
G3+ days1
Max Ap645 Sep 1950
Daily Ap
Daily max Kp
| Date | Max Kp | Ap | Level |
|---|---|---|---|
| 3 Sep 1950 | 7o | 56 | G3 |
| 4 Sep 1950 | 6o | 42 | G2 |
| 5 Sep 1950 | 6+ | 64 | G2 |
| 6 Sep 1950 | 6- | 46 | G2 |
| 8 Sep 1950 | 6- | 41 | G2 |
| 9 Sep 1950 | 5o | 17 | G1 |
| 10 Sep 1950 | 5o | 22 | G1 |
| 11 Sep 1950 | 5+ | 21 | G1 |
| 13 Sep 1950 | 5- | 13 | G1 |
| 16 Sep 1950 | 5+ | 20 | G1 |
| 18 Sep 1950 | 5- | 27 | G1 |
| 19 Sep 1950 | 5+ | 28 | G1 |
| 20 Sep 1950 | 6- | 38 | G2 |
| 23 Sep 1950 | 5o | 27 | G1 |
| 24 Sep 1950 | 6+ | 40 | G2 |
| 25 Sep 1950 | 6- | 36 | G2 |
| 26 Sep 1950 | 5o | 17 | G1 |
Same month a year earlier
| Month | Mean Ap | G1+ | G3+ |
|---|---|---|---|
| September 1949 | 12.7 | 9 | 0 |
| September 1950 | 22.3 | 17 | 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 22.3 in September 1950, No. 102 of 1138 months since 1932; 17 days reached G1 or higher.