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. |
1B9.32 Kp2 | 2Kp2+ | 3Kp3- | 4C3.24 Kp3 | 5B3.94 Kp2- | 6B7.39 Kp3- | 7B3.09 Kp3 |
8Kp2- | 9Kp2- | 10B4.29 Kp4- | 11B6.51 Kp4- | 12C3.34 Kp3+ | 13C2.12 Kp2- | 14C1.94 Kp3- |
15B3.85 Kp2+ | 16Kp2 | 17B2.16 Kp4- | 18C1.07 Kp3 | 19B2 Kp2- | 20C1.14 Kp3- | 21B9.71 Kp1- |
22B1.86 Kp0+ | 23B8.34 Kp1- | 24B2.46 Kp2+ | 25C1.03 Kp3- | 26C3.65 Kp2 | 27C5.5 Kp2+ | 28B5.62 Kp3 |
29Kp2+ | 30B1.81 Kp3- | 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
Space Weather Memes 790AR4366 995Current Farside Activity 370Incoming & Unnumbered Active Regions 152Feb 8-9 CMEs 17
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Space weather facts
| Last X-flare | 2026/02/04 | X4.3 |
| Last M-flare | 2026/02/08 | M2.8 |
| 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 | 137.7 +25.1 |
| Last 30 days | 126 +20.7 |