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Geomagnetic activity in February 2007
Mean Ap7.1No. 993 of 1138
G1+ days1
G3+ days0
Max Ap2228 Feb 2007
Daily Ap
Daily max Kp
| Date | Max Kp | Ap | Level |
|---|---|---|---|
| 13 Feb 2007 | 6- | 21 | G2 |
Same month a year earlier
| Month | Mean Ap | G1+ | G3+ |
|---|---|---|---|
| February 2006 | 6.2 | 1 | 0 |
| February 2007 | 7.1 | 1 | 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 7.1 in February 2007, No. 993 of 1138 months since 1932; 1 days reached G1 or higher.