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. |
1M1.55 Kp4- S1 | 2M6.07 Kp3 | 3M4.94 Kp3+ | 4M1.2 Kp3- | 5C3.82 Kp3+ | 6B9.74 Kp5- | 7C2.03 Kp4- |
8B3.51 Kp3- | 9B3.9 Kp3 | 10B3.09 Kp4+ | 11B1.93 Kp1+ | 12B1.8 Kp3 | 13B2.55 Kp4 | 14B1.69 Kp3+ |
15B1.85 Kp3 | 16B1.48 Kp4- | 17B1.6 Kp3+ | 18B8.09 Kp3 | 19B5.75 Kp2+ | 20B9.19 Kp2- | 21C4.11 Kp5- |
22M8.12 Kp3+ S1 | 23M3.89 Kp3- S2 | 24C6.83 Kp9- S2 | 25M9.16 Kp5 S1 | 26C3.41 Kp3- | 27C2.02 Kp3- | 28M2.41 Kp3- |
29C9.3 Kp3+ | 30C2.07 Kp3- | 31C2.87 Kp7 | ||||
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
Incoming & Unnumbered Active Regions 27Current Farside Activity 247Geminid Meteor Shower 20Coronal Hole 06 41Filaments 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 | 135.1 +43.3 |
| Last 30 days | 107.1 +10.8 |