Aurora & Space WeatherHome › Geomagnetic history › 2000
Geomagnetic activity in January 2000
Mean Ap13.0No. 506 of 1138
G1+ days6
G3+ days0
Max Ap3228 Jan 2000
Daily Ap
Daily max Kp
| Date | Max Kp | Ap | Level |
|---|---|---|---|
| 1 Jan 2000 | 5+ | 30 | G1 |
| 11 Jan 2000 | 5+ | 24 | G1 |
| 22 Jan 2000 | 5+ | 22 | G1 |
| 23 Jan 2000 | 6+ | 29 | G2 |
| 28 Jan 2000 | 5o | 32 | G1 |
| 29 Jan 2000 | 5- | 30 | G1 |
Same month a year earlier
| Month | Mean Ap | G1+ | G3+ |
|---|---|---|---|
| January 1999 | 10.3 | 4 | 1 |
| January 2000 | 13.0 | 6 | 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 1999February 2000 →
About this page
Mean Ap 13.0 in January 2000, No. 506 of 1138 months since 1932; 6 days reached G1 or higher.