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Geomagnetic activity in February 2017
Mean Ap9.6No. 794 of 1138
G1+ days2
G3+ days0
Max Ap281 Feb 2017
Daily Ap
Daily max Kp
| Date | Max Kp | Ap | Level |
|---|---|---|---|
| 1 Feb 2017 | 5o | 28 | G1 |
| 24 Feb 2017 | 5- | 18 | G1 |
Same month a year earlier
| Month | Mean Ap | G1+ | G3+ |
|---|---|---|---|
| February 2016 | 10.0 | 5 | 0 |
| February 2017 | 9.6 | 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.
About this page
Mean Ap 9.6 in February 2017, No. 794 of 1138 months since 1932; 2 days reached G1 or higher.