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Geomagnetic activity in January 2007
Mean Ap9.9No. 765 of 1138
G1+ days5
G3+ days0
Max Ap2829 Jan 2007
Daily Ap
Daily max Kp
| Date | Max Kp | Ap | Level |
|---|---|---|---|
| 2 Jan 2007 | 5- | 24 | G1 |
| 15 Jan 2007 | 5o | 16 | G1 |
| 16 Jan 2007 | 5- | 14 | G1 |
| 17 Jan 2007 | 5- | 25 | G1 |
| 29 Jan 2007 | 5+ | 28 | G1 |
Same month a year earlier
| Month | Mean Ap | G1+ | G3+ |
|---|---|---|---|
| January 2006 | 6.4 | 1 | 0 |
| January 2007 | 9.9 | 5 | 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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Mean Ap 9.9 in January 2007, No. 765 of 1138 months since 1932; 5 days reached G1 or higher.