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Solar activity report
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Coronal holes
Kp values
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Radiation storms
Solar wind (Speed, Density), Interplanetary Magnetic Field (IMF) (Bt, Bz)
G2 geomagnetic storm, northern Bz, coronal hole
Vivid auroral displays have filled the skies at many high latitude locations during the past 24 hours and even from middle latitude locations we have heard reports of visible aurora. This was due to an unforeseen powerful coronal hole solar wind stream which sparked a moderate G2 geomagnetic storm. Keep on reading for a selection of images made during the past 24 hours.
Latest news
Thursday, 16 January 2025
Coronal hole faces Earth
Saturday, 4 January 2025
Sunspot region 3947, X-class solar flares
Monday, 30 December 2024
Two earth-directed coronal mass ejections
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Penticton down? 701/21/2025 AR 3967 M3.3 CME 2The Terminator Theory and Implications for growth of Cycle 25 64AR 3967 32Filaments and prominences 615
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Space weather facts
| Last X-flare | 2025/01/04 | X1.85 |
| Last M-flare | 2025/01/21 | M3.3 |
| Last geomagnetic storm | 2025/01/04 | Kp5 (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| December 2024 | 154.5 +2 |
| January 2025 | 145.2 -9.3 |
| Last 30 days | 163.2 +45.8 |