Viewing archive of Tuesday, 18 April 2023
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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
A shock in the solar wind was detected today around 13:20 UTC. This could very well be the arrival of a coronal mass ejection that was launched by a filament eruption on 15 April.
Latest news
Monday, 22 April 2024
Lot's of sunspots! Big chance for major flare activity?
Saturday, 23 March 2024
X1.1 solar flare with earth-directed CME
Wednesday, 20 March 2024
Sunspot region 3615, G1 watch
Latest forum messages
Unproven theories 374What's up with GOES? 3Unspecified geomagnetic activity 956Filaments and prominences 64AR3654 35
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Space weather facts
| Last X-flare | 2024/03/28 | X1.1 |
| Last M-flare | 2024/04/30 | M1.3 |
| Last geomagnetic storm | 2024/04/26 | Kp5+ (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| March 2024 | 104.9 -19.8 |
| Last 30 days | 146.4 +45.6 |