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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1Kp2 | ||||||
2Kp0+ | 3Kp3- | 4Kp3- | 5Kp3- | 6Kp1+ | 7Kp0+ | 8Kp3 |
9Kp1- | 10Kp2 | 11Kp3- | 12Kp3 | 13Kp5- | 14Kp3 | 15Kp3 |
16Kp2+ | 17Kp2- | 18Kp1- | 19Kp2- | 20Kp2- | 21Kp3 | 22Kp3- |
23Kp1+ | 24Kp3- | 25Kp4- | 26B5.13 Kp3 | 27Kp3 | 28Kp2 | 29Kp1+ |
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 166AR 4299 148AR4294 / 4296 / 4298 422Space 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 | M1.1 |
| 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 |