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Geomagnetic activity in January 2012
Mean Ap6.9No. 1009 of 1138
G1+ days2
G3+ days0
Max Ap2422 Jan 2012
Daily Ap
Daily max Kp
| Date | Max Kp | Ap | Level |
|---|---|---|---|
| 22 Jan 2012 | 5- | 24 | G1 |
| 23 Jan 2012 | 5o | 12 | G1 |
Same month a year earlier
| Month | Mean Ap | G1+ | G3+ |
|---|---|---|---|
| January 2011 | 5.5 | 1 | 0 |
| January 2012 | 6.9 | 2 | 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 6.9 in January 2012, No. 1009 of 1138 months since 1932; 2 days reached G1 or higher.