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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1Kp1- | ||||||
2Kp1 | 3Kp2- | 4Kp1+ | 5Kp5- | 6C2.4 Kp4- | 7B1.86 Kp2 | 8B1.46 Kp1+ |
9Kp1- | 10Kp2+ | 11Kp3- | 12Kp3- | 13Kp3- | 14Kp2- | 15B2.18 Kp1+ |
16Kp3- | 17Kp3 | 18Kp1 | 19Kp1 | 20Kp2 | 21Kp3+ | 22Kp1+ |
23Kp1 | 24Kp4 | 25Kp3+ | 26Kp1+ | 27Kp2- | 28A7.25 Kp2 | 29B1.13 Kp1+ |
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
AR4299 M8.1 CME 2025/12/06 187AR4294 / 4296 / 4298 432AR 4299 150Space Weather Memes 762New paper on the Gannon Storm 10-11 May 2024 2
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Space weather facts
| Last X-flare | 2025/12/08 | X1.1 |
| Last M-flare | 2025/12/09 | M1.6 |
| Last geomagnetic storm | 2025/12/04 | Kp5 (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| November 2025 | 91.8 -22.8 |
| December 2025 | 160.6 +68.8 |
| Last 30 days | 108.7 +12.8 |