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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 mass ejection arrival
The anticipated C4.4 solar flare coronal mass ejection has arrived at ACE around 18:25 UTC. It is expected to arrive at Earth around 19:15 UTC with the current solar wind speed.
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
Latest forum messages
AR 13961 10101/21/2025 AR 3967 M3.3 CME 6Data loss sometimes on Ace and Dscovr 1Unexplained proton activity 47Filaments and prominences 624
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Space weather facts
| Last X-flare | 2025/01/04 | X1.85 |
| Last M-flare | 2025/01/22 | M1.3 |
| 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 | 162 +43.1 |