Viewing archive of Saturday, 17 October 2009
Solar wind (Speed, Density), Interplanetary Magnetic Field (IMF) (Bt, Bz)
Solar wind
Interplanetary Magnetic Field (IMF)
Courtesy of NASA and the ACE Science Center (SWEPAM, MAG instruments teams) and/or NASA/NOAA DSCOVR (PlasMag instrument team)
All times in UTC
Latest news
Sunday, 1 February 2026
Complex sunspot region 4366
Monday, 19 January 2026
CME impact! S4 solar radiation storm
Sunday, 18 January 2026
X1.9 solar flare with earth-directed CME
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Space weather facts
| Last X-flare | 2026/02/04 | X4.21 |
| Last M-flare | 2026/02/25 | M2.4 |
| Last geomagnetic storm | 2026/02/22 | Kp5+ (G1) |
| Spotless days | |
|---|---|
| Last 365 days | 3 days |
| 2026 | 3 days (5%) |
| Last spotless day | 2026/02/24 |
| Monthly mean Sunspot Number | |
|---|---|
| January 2026 | 112.6 -11.4 |
| Last 30 days | 72.7 -45.8 |