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Geomagnetic activity in September 1992
Mean Ap25.1No. 62 of 1138
G1+ days14
G3+ days4
Max Ap9317 Sep 1992
Daily Ap
Daily max Kp
| Date | Max Kp | Ap | Level |
|---|---|---|---|
| 2 Sep 1992 | 5o | 23 | G1 |
| 3 Sep 1992 | 6- | 48 | G2 |
| 4 Sep 1992 | 6o | 33 | G2 |
| 5 Sep 1992 | 5+ | 28 | G1 |
| 8 Sep 1992 | 5- | 18 | G1 |
| 9 Sep 1992 | 7+ | 84 | G3 |
| 10 Sep 1992 | 7o | 88 | G3 |
| 11 Sep 1992 | 6+ | 32 | G2 |
| 17 Sep 1992 | 7+ | 93 | G3 |
| 18 Sep 1992 | 5o | 31 | G1 |
| 22 Sep 1992 | 5o | 17 | G1 |
| 28 Sep 1992 | 5- | 16 | G1 |
| 29 Sep 1992 | 7- | 62 | G3 |
| 30 Sep 1992 | 6- | 35 | G2 |
Same month a year earlier
| Month | Mean Ap | G1+ | G3+ |
|---|---|---|---|
| September 1991 | 20.5 | 10 | 1 |
| September 1992 | 25.1 | 14 | 4 |
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 25.1 in September 1992, No. 62 of 1138 months since 1932; 14 days reached G1 or higher.