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Geomagnetic activity in October 2012
Mean Ap10.0No. 753 of 1138
G1+ days4
G3+ days2
Max Ap4713 Oct 2012
Daily Ap
Daily max Kp
| Date | Max Kp | Ap | Level |
|---|---|---|---|
| 1 Oct 2012 | 7- | 32 | G3 |
| 8 Oct 2012 | 6+ | 40 | G2 |
| 9 Oct 2012 | 7- | 46 | G3 |
| 13 Oct 2012 | 6- | 47 | G2 |
Same month a year earlier
| Month | Mean Ap | G1+ | G3+ |
|---|---|---|---|
| October 2011 | 7.3 | 3 | 2 |
| October 2012 | 10.0 | 4 | 2 |
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 10.0 in October 2012, No. 753 of 1138 months since 1932; 4 days reached G1 or higher.