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Geomagnetic activity in February 2018
Mean Ap6.3No. 1045 of 1138
G1+ days2
G3+ days0
Max Ap1827 Feb 2018
Daily Ap
Daily max Kp
| Date | Max Kp | Ap | Level |
|---|---|---|---|
| 15 Feb 2018 | 5- | 11 | G1 |
| 27 Feb 2018 | 5+ | 18 | G1 |
Same month a year earlier
| Month | Mean Ap | G1+ | G3+ |
|---|---|---|---|
| February 2017 | 9.6 | 2 | 0 |
| February 2018 | 6.3 | 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 6.3 in February 2018, No. 1045 of 1138 months since 1932; 2 days reached G1 or higher.