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Geomagnetic activity in December 2022
Mean Ap11.0No. 667 of 1138
G1+ days5
G3+ days0
Max Ap2930 Dec 2022
Daily Ap
Daily max Kp
| Date | Max Kp | Ap | Level |
|---|---|---|---|
| 1 Dec 2022 | 5- | 24 | G1 |
| 7 Dec 2022 | 5- | 16 | G1 |
| 23 Dec 2022 | 5- | 21 | G1 |
| 26 Dec 2022 | 6- | 23 | G2 |
| 30 Dec 2022 | 5- | 29 | G1 |
Same month a year earlier
| Month | Mean Ap | G1+ | G3+ |
|---|---|---|---|
| December 2021 | 6.5 | 1 | 0 |
| December 2022 | 11.0 | 5 | 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 December 2022, No. 667 of 1138 months since 1932; 5 days reached G1 or higher.