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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Sunday Sun. |
1Kp3+ | ||||||
2Kp3+ | 3B2.75 Kp3 | 4B3.08 Kp2+ | 5C1.54 Kp3+ | 6C1.39 Kp3- | 7B6.74 Kp2- | 8B6.75 Kp2- |
9B1.61 Kp2 | 10Kp2 | 11Kp5- | 12Kp5 | 13Kp6- | 14Kp5 | 15Kp5+ |
16Kp3 | 17Kp2- | 18Kp2+ | 19Kp4- | 20M1.59 Kp4- | 21B4.32 Kp3 | 22B2.77 Kp3 |
23Kp2+ | 24Kp5- | 25Kp5- | 26Kp4+ | 27B2.19 Kp2 | 28Kp2 | 29Kp2- |
30Kp1 | 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 114AR4294 / 4296 / 4298 402AR 4299 117New paper on the Gannon Storm 10-11 May 2024 2Electron event 10
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Space weather facts
| Last X-flare | 2025/12/08 | X1.1 |
| Last M-flare | 2025/12/08 | 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 | 162.7 +70.9 |
| Last 30 days | 108 +13.3 |