The aurora and solar activity archive
Searching for historical solar and auroral activity data? The archive is filled with data between the year 1996 and yesterday. You can choose a viewing mode to quickly look for days with interesting space weather and pick a day to view the archived data for that day with more detailed space weather data.
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Monday Mon. |
Tuesday Tues. |
Wednesday Wed. |
Thursday Thurs. |
Friday Fri. |
Saturday Sat. |
Sunday Sun. |
1C9.86 Kp4+ | 2X1.63 Kp5- | 3M5.83 Kp2+ | 4C3.53 Kp2 | 5M1.38 Kp3 | ||
6C6.44 Kp3 | 7M1.86 Kp4- | 8M2.11 Kp4 | 9C4.19 Kp2+ | 10M1.11 Kp4 | 11M1.96 Kp4- | 12M5.26 Kp4+ |
13M2.07 Kp3- | 14C5.59 Kp2 | 15M2.06 Kp1- | 16M1.29 Kp1 | 17M1.59 Kp2 | 18M5.64 Kp3 | 19M2.29 Kp3 |
20M3.47 Kp3 | 21M1.51 Kp2- | 22X1.56 Kp3+ | 23M2.91 Kp4- | 24X2.61 Kp4- | 25M1.15 Kp3 | 26M3.34 Kp2- |
27M1.5 Kp1+ | 28M4.46 Kp2- | 29C9.64 Kp4+ | 30M4.97 Kp4+ | 31M5.89 Kp5- | ||
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
Latest forum messages
The hypothetical role of metal ions in Sporadic E skip 2Unspecified geomagnetic activity 81Well… here it goes again.. 9Filaments and prominences 490Comet C/2026 A1 (MAPS) for the southern hemisphere 4
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Space weather facts
| Last X-flare | 2026/02/04 | X4.21 |
| Last M-flare | 2026/02/16 | M2.4 |
| Last geomagnetic storm | 2026/02/16 | Kp6 (G2) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| January 2026 | 112.6 -11.4 |
| February 2026 | 90.2 -22.4 |
| Last 30 days | 102.4 -15.3 |