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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Sunday Sun. |
1B3.24 Kp1+ | 2Kp1+ | 3Kp2- | ||||
4Kp2- | 5Kp1 | 6Kp3- | 7Kp3- | 8B2.62 Kp4 | 9B2.18 Kp2 | 10B2 Kp1+ |
11Kp2 | 12Kp1- | 13Kp1+ | 14Kp3 | 15Kp1 | 16Kp1+ | 17Kp1 |
18Kp2 | 19Kp1 | 20Kp3- | 21Kp1+ | 22Kp2 | 23Kp2 | 24Kp1+ |
25Kp1- | 26Kp1 | 27Kp1- | 28Kp2+ | 29Kp1+ | 30Kp2- | 31Kp2- |
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
What, no CH/HSS thread? 10Yes, we really went to the moon before. 9Unspecified geomagnetic activity 68Space Weather Memes 795Current Farside Activity 375
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Space weather facts
| Last X-flare | 2026/02/04 | X4.3 |
| Last M-flare | 2026/02/13 | M1.0 |
| Last geomagnetic storm | 2026/02/05 | Kp5+ (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| January 2026 | 112.6 -11.4 |
| February 2026 | 112.1 -0.5 |
| Last 30 days | 128.7 +30.6 |