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Geomagnetic activity in October 2016
Mean Ap15.3No. 343 of 1138
G1+ days8
G3+ days0
Max Ap5725 Oct 2016
Daily Ap
Daily max Kp
| Date | Max Kp | Ap | Level |
|---|---|---|---|
| 4 Oct 2016 | 5o | 23 | G1 |
| 13 Oct 2016 | 6+ | 46 | G2 |
| 14 Oct 2016 | 6- | 22 | G2 |
| 16 Oct 2016 | 5o | 17 | G1 |
| 25 Oct 2016 | 6+ | 57 | G2 |
| 26 Oct 2016 | 6- | 44 | G2 |
| 27 Oct 2016 | 5- | 26 | G1 |
| 29 Oct 2016 | 5+ | 27 | G1 |
Same month a year earlier
| Month | Mean Ap | G1+ | G3+ |
|---|---|---|---|
| October 2015 | 14.0 | 6 | 1 |
| October 2016 | 15.3 | 8 | 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.
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About this page
Mean Ap 15.3 in October 2016, No. 343 of 1138 months since 1932; 8 days reached G1 or higher.