Maximum Kp index on August 12, 2004
Kp = 3
Maximum Kp index on August 12, 2004
The Earth's magnetosphere was quiet
Kp = 3
Geomagnetic storms in London on August 12, 2004
Time zone — UTC+01 — summer time (London | 51.51 N 0.13 W)
Geomagnetic storms in London in August 2004
Time zone — UTC+01 — summer time (London | 51.51 N 0.13 W)
Geomagnetic activity indices on August 12, 2004
| Geomagnetic index Ap | 9 |
|---|---|
| Solar radio flux F10.7 | 147 |
Diary
- 25.08.2026 Powerful solar flares posing a threat to Earth have resumed.
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- 22.08.2026 The number of solar flares has begun to decline