Aurora & Space WeatherHome › Geomagnetic history › 2000
Geomagnetic activity in July 2000
Mean Ap21.4No. 119 of 1138
G1+ days12
G3+ days4
Max Ap16415 Jul 2000
Daily Ap
Daily max Kp
| Date | Max Kp | Ap | Level |
|---|---|---|---|
| 10 Jul 2000 | 5- | 20 | G1 |
| 11 Jul 2000 | 5+ | 34 | G1 |
| 13 Jul 2000 | 7o | 42 | G3 |
| 14 Jul 2000 | 7+ | 51 | G3 |
| 15 Jul 2000 | 9o | 164 | G5 |
| 16 Jul 2000 | 8- | 50 | G4 |
| 20 Jul 2000 | 6o | 36 | G2 |
| 23 Jul 2000 | 6o | 23 | G2 |
| 26 Jul 2000 | 5- | 19 | G1 |
| 28 Jul 2000 | 6- | 32 | G2 |
| 29 Jul 2000 | 6- | 27 | G2 |
| 31 Jul 2000 | 5+ | 21 | G1 |
Same month a year earlier
| Month | Mean Ap | G1+ | G3+ |
|---|---|---|---|
| July 1999 | 9.6 | 5 | 1 |
| July 2000 | 21.4 | 12 | 4 |
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 21.4 in July 2000, No. 119 of 1138 months since 1932; 12 days reached G1 or higher.