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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)
S1 storm, CME arrival, M-flares
Solar activity is moderate due to numerous M-class solar flares from departing sunspot region 3088. This region is now close the west limb and any coronal mass ejections produced by this region are unlikely to affect Earth.
Latest news
Tuesday, 15 April 2025
CME arrival, G3 storm watch
Friday, 28 March 2025
X1.1 solar flare
Monday, 24 March 2025
Coronal hole faces Earth
Latest forum messages
Power transmission for all of us. And why I believe we are better prepared than ever for major solar events 31AR 14079 60New satellites - Proba-3, PUNCH, SWFO-L1, GOES-U/19 54Unspecified geomagnetic activity 2366Short PBS episode on Aurora sounds 4
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Space weather facts
| Last X-flare | 2025/03/28 | X1.1 |
| Last M-flare | 2025/04/30 | M2.03 |
| Last geomagnetic storm | 2025/05/01 | Kp5 (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| April 2025 | 140.6 +6.4 |
| May 2025 | 59 -81.6 |
| Last 30 days | 119.9 -9.8 |