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Geomagnetic activity in February 2023
Mean Ap14.4No. 396 of 1138
G1+ days5
G3+ days1
Max Ap9127 Feb 2023
Daily Ap
Daily max Kp
| Date | Max Kp | Ap | Level |
|---|---|---|---|
| 15 Feb 2023 | 5+ | 27 | G1 |
| 16 Feb 2023 | 5o | 23 | G1 |
| 26 Feb 2023 | 6- | 24 | G2 |
| 27 Feb 2023 | 7- | 91 | G3 |
| 28 Feb 2023 | 6- | 26 | G2 |
Same month a year earlier
| Month | Mean Ap | G1+ | G3+ |
|---|---|---|---|
| February 2022 | 10.5 | 5 | 0 |
| February 2023 | 14.4 | 5 | 1 |
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 14.4 in February 2023, No. 396 of 1138 months since 1932; 5 days reached G1 or higher.