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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Friday Fri. |
Saturday Sat. |
Sunday Sun. |
1Kp3+ | 2Kp4- | 3C1.05 Kp3+ | 4Kp4- | |||
5B2.42 Kp8- | 6B2.02 Kp5+ | 7Kp4+ | 8B5.12 Kp4+ | 9B5.13 Kp3+ | 10Kp1 | 11Kp4- |
12Kp6- | 13B5.19 Kp2 | 14Kp5 | 15Kp4- | 16Kp1+ | 17B2.95 Kp2- | 18B1.72 Kp1+ |
19Kp2 | 20Kp2 | 21Kp2+ | 22Kp3- | 23Kp4+ | 24B1.47 Kp4- | 25Kp2- |
26Kp1- | 27Kp2+ | 28Kp1+ | 29Kp3+ | 30C3.14 Kp1+ | ||
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
Well… here it goes again.. 22Coronal Hole 26 11Space Weather Memes 800Current Farside Activity 406Filaments and prominences 491
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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 | 2026/02/22 | Kp5+ (G1) |
| Spotless days | |
|---|---|
| Last 365 days | 1 day |
| 2026 | 1 day (2%) |
| Current stretch | 2 days |
| Monthly mean Sunspot Number | |
|---|---|
| January 2026 | 112.6 -11.4 |
| February 2026 | 86.1 -26.5 |
| Last 30 days | 95.9 -24.7 |