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Geomagnetic activity in September 1994
Mean Ap12.0No. 581 of 1138
G1+ days6
G3+ days0
Max Ap407 Sep 1994
Daily Ap
Daily max Kp
| Date | Max Kp | Ap | Level |
|---|---|---|---|
| 6 Sep 1994 | 5- | 14 | G1 |
| 7 Sep 1994 | 6o | 40 | G2 |
| 8 Sep 1994 | 5o | 28 | G1 |
| 9 Sep 1994 | 5+ | 35 | G1 |
| 25 Sep 1994 | 5+ | 18 | G1 |
| 26 Sep 1994 | 5- | 20 | G1 |
Same month a year earlier
| Month | Mean Ap | G1+ | G3+ |
|---|---|---|---|
| September 1993 | 14.9 | 10 | 1 |
| September 1994 | 12.0 | 6 | 0 |
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 12.0 in September 1994, No. 581 of 1138 months since 1932; 6 days reached G1 or higher.