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. |
1Kp2+ | 2Kp3- | 3A1.43 Kp3- | 4Kp2 | 5Kp2 | ||
6Kp1 | 7Kp3 | 8Kp2- | 9Kp1+ | 10A1.43 Kp1+ | 11Kp4- | 12Kp2 |
13Kp1+ | 14B1.28 Kp1+ | 15Kp4 | 16B1.21 Kp4- | 17Kp4 | 18Kp3+ | 19Kp3- |
20Kp4 | 21Kp3- | 22Kp2+ | 23A9.13 Kp2- | 24B2.36 Kp3- | 25B5.88 Kp4+ | 26Kp7+ |
27Kp6- | 28Kp4- | 29Kp2+ | 30Kp2- | 31Kp2+ | ||
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 44CH 09 1Space Weather Memes 764Unspecified geomagnetic activity 43Filaments and prominences 415
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Space weather facts
| Last X-flare | 2025/12/08 | X1.1 |
| Last M-flare | 2025/12/20 | M1.0 |
| 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 | 120.8 +29 |
| Last 30 days | 108.7 +19.4 |