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Geomagnetic activity in February 2008
Mean Ap11.0No. 669 of 1138
G1+ days3
G3+ days0
Max Ap3129 Feb 2008
Daily Ap
Daily max Kp
| Date | Max Kp | Ap | Level |
|---|---|---|---|
| 2 Feb 2008 | 5- | 19 | G1 |
| 10 Feb 2008 | 5- | 21 | G1 |
| 29 Feb 2008 | 5+ | 31 | G1 |
Same month a year earlier
| Month | Mean Ap | G1+ | G3+ |
|---|---|---|---|
| February 2007 | 7.1 | 1 | 0 |
| February 2008 | 11.0 | 3 | 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 11.0 in February 2008, No. 669 of 1138 months since 1932; 3 days reached G1 or higher.