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Geomagnetic activity in April 2000
Mean Ap15.5No. 334 of 1138
G1+ days5
G3+ days2
Max Ap826 Apr 2000
Daily Ap
Daily max Kp
| Date | Max Kp | Ap | Level |
|---|---|---|---|
| 4 Apr 2000 | 5o | 22 | G1 |
| 6 Apr 2000 | 8+ | 82 | G4 |
| 7 Apr 2000 | 9- | 74 | G5 |
| 24 Apr 2000 | 5+ | 21 | G1 |
| 28 Apr 2000 | 5- | 14 | G1 |
Same month a year earlier
| Month | Mean Ap | G1+ | G3+ |
|---|---|---|---|
| April 1999 | 12.2 | 4 | 1 |
| April 2000 | 15.5 | 5 | 2 |
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 15.5 in April 2000, No. 334 of 1138 months since 1932; 5 days reached G1 or higher.