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. |
1Kp5 | ||||||
2B1.71 Kp2+ | 3Kp3- | 4B1.85 Kp2+ | 5B3.78 Kp1+ | 6Kp1+ | 7B1.92 Kp4 | 8Kp3- |
9Kp3- | 10Kp1 | 11Kp1 | 12Kp2+ | 13B1.44 Kp5+ | 14B1.94 Kp4+ | 15Kp3+ |
16Kp2+ | 17Kp1+ | 18Kp2- | 19Kp1+ | 20Kp3+ | 21Kp4+ | 22B9.41 Kp4 |
23B2.82 Kp2- | 24Kp2 | 25B1.92 Kp2+ | 26Kp1 | 27Kp2+ | 28B3.65 Kp5- | 29B1.82 Kp4+ |
30B2.52 Kp4- | 31B6.34 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
AR4299 M8.1 CME 2025/12/06 85AR 4299 114AR4294 / 4296 / 4298 371New paper on the Gannon Storm 10-11 May 2024 2Electron event 10
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Space weather facts
| Last X-flare | 2025/12/01 | X1.9 |
| Last M-flare | 2025/12/08 | M2.0 |
| 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 | 167.7 +75.9 |
| Last 30 days | 107.1 +12.4 |