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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)
Coronal hole activity continues
Minor G1 geomagnetic storm conditions have been observed yesterday thanks to a coronal hole solar wind stream that is affecting Earth right now. More storm conditions are likely in the days ahead as another large portion of this coronal hole is about to face us.
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
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Historically large sunspots 1Ask your obscure/"stupid" space weather questions. 394AR 14079 45Unspecified geomagnetic activity 2348Growth of Cycle 25 840
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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 | 2025/04/21 | Kp5+ (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| March 2025 | 134.2 -20.4 |
| Last 30 days | 123.3 -5.8 |