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Geomagnetic activity in January 2001
Mean Ap8.3No. 905 of 1138
G1+ days3
G3+ days0
Max Ap2024 Jan 2001
Daily Ap
Daily max Kp
| Date | Max Kp | Ap | Level |
|---|---|---|---|
| 23 Jan 2001 | 5- | 18 | G1 |
| 24 Jan 2001 | 5- | 20 | G1 |
| 29 Jan 2001 | 5o | 16 | G1 |
Same month a year earlier
| Month | Mean Ap | G1+ | G3+ |
|---|---|---|---|
| January 2000 | 13.0 | 6 | 0 |
| January 2001 | 8.3 | 3 | 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.
← December 2000February 2001 →
About this page
Mean Ap 8.3 in January 2001, No. 905 of 1138 months since 1932; 3 days reached G1 or higher.