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Bulletin on solar and geomagnetic activity Solar activity report
Geophysical report
Sunspot regions
Coronal holes
Kp values
Solar flares
Radiation storms
Solar wind (Speed, Density), Interplanetary Magnetic Field (IMF) (Bt, Bz)
G3 geomagnetic storm
What a show! The M1.7 coronal mass ejection arrived ahead of schedule yesterday (3 November) around 19:30 UTC. That is faster than pretty much every forecast that was out there! She must have had a clear run trough space as the cloud impacted our planet with an average speed of about 700km/s.
Latest news
Wednesday, 14 May 2025
Another X-flare! Potent sunspot region 4087!
Tuesday, 13 May 2025
X1.1 solar flare from sunspot region 4086
Tuesday, 15 April 2025
CME arrival, G3 storm watch
Latest forum messages
Unspecified geomagnetic activity 2508AR4087 206To those who say our infrastructure is Solar Storm ready, here's an interesting article. 1New around here. Carrington and Miyake 21Line chart of indicators on the auror video, animated graph trace 45
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Space weather facts
| Last X-flare | 2025/05/14 | X2.7 |
| Last M-flare | 2025/05/19 | M3.1 |
| Last geomagnetic storm | 2025/05/17 | Kp6+ (G2) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| April 2025 | 140.6 +6.4 |
| May 2025 | 68.9 -71.7 |
| Last 30 days | 92.1 -23.2 |