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Solar activity report
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Coronal mass ejection arrival
The anticipated coronal mass ejection from a C7.4 solar flare that took place three days ago arrived at the Sun-Earth L1 point around 01:30 UTC this night. This is very close to the predicted impact time. An automated alert was send out by our systems and was posted on Twitter and distributed to many mobile devices as a push notification on the SpaceWeatherLive Android/iOS app.
Latest news
Monday, 23 December 2024
M9.0 solar flare with earth-directed CME
Sunday, 8 December 2024
X2.2 solar flare, SDO outage
Thursday, 21 November 2024
Major far side eruption, S1 radiation storm
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Space weather facts
| Last X-flare | 2024/12/08 | X2.2 |
| Last M-flare | 2024/12/25 | M4.9 |
| Last geomagnetic storm | 2024/12/17 | Kp5+ (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| November 2024 | 152.5 -13.9 |
| December 2024 | 115.2 -37.3 |
| Last 30 days | 120.1 -38.2 |