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Bulletin on solar and geomagnetic activity Solar activity report
Geophysical report
Sunspot regions
Coronal holes
Kp values
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Radiation storms
Solar wind (Speed, Density), Interplanetary Magnetic Field (IMF) (Bt, Bz)
C2 solar flare, SC25 slowly ramping up?
A C2.0 solar flare took place this morning at 06:47 UTC from a plage region (a region without sunspots) near the west limb. A small coronal mass ejection was ejected into space but it is not aimed towards Earth. This event was kind of a wake up call as there has been little space weather activity worth talking about in the past few weeks...
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
IP cameras for sky surveillance 54Filaments and prominences 152AR 14079 144Unspecified geomagnetic activity 2405Incoming & Unnumbered Active Regions 1852
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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 | 2025/05/03 | Kp5 (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| April 2025 | 140.6 +6.4 |
| May 2025 | 77.3 -63.3 |
| Last 30 days | 107.9 -25.9 |