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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Saturday Sat. |
Sunday Sun. |
1B3.38 Kp1 | 2C4.51 Kp0+ | 3C2.87 Kp2 | ||||
4C1.99 Kp1+ | 5B1.71 Kp1 | 6B7.94 Kp1- | 7B1.91 Kp1- | 8B1.99 Kp1- | 9C1.48 Kp0+ | 10B6.35 Kp2- |
11C1.3 Kp2+ | 12C1.56 Kp2 | 13B3.56 Kp3 | 14C1.14 Kp2- | 15C1.89 Kp2+ | 16B5.61 Kp1- | 17C3.01 Kp0+ |
18C7.09 Kp1+ | 19M3.31 Kp1- | 20M4.94 Kp4 | 21C7 Kp3- | 22C1.36 Kp2- | 23B6.35 Kp2+ | 24B4.36 Kp2- |
25Kp1+ | 26B9.52 Kp2 | 27B8.82 Kp1- | 28B5.66 Kp2- | 29Kp1- | 30B1.58 Kp2 | 31B6.86 Kp2+ |
Latest news
Sunday, 7 December 2025
M8.1 solar flare with earth-directed CME
Monday, 1 December 2025
X1.9 solar flare, Coronal hole faces Earth
Friday, 14 November 2025
X4.0 solar flare
Latest forum messages
Geminid Meteor Shower 17Current Farside Activity 241Coronal Hole 06 41Incoming & Unnumbered Active Regions 26Filaments and prominences 414
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Space weather facts
| Last X-flare | 2025/12/08 | X1.1 |
| Last M-flare | 2025/12/12 | M1.1 |
| Last geomagnetic storm | 2025/12/12 | Kp5 (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| November 2025 | 91.8 -22.8 |
| December 2025 | 139.6 +47.8 |
| Last 30 days | 106.8 +8.5 |