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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Friday Fri. |
Saturday Sat. |
Sunday Sun. |
1C1.98 Kp1 | 2B4.19 Kp2- | 3B3.45 Kp2- | 4C1.6 Kp5- | 5B3.31 Kp4 | 6C1.25 Kp5 | 7B2.81 Kp5 |
8Kp3- | 9Kp1+ | 10B3.14 Kp3- | 11B5.63 Kp4- | 12B2.2 Kp4+ | 13Kp3+ | 14Kp3 |
15Kp1+ | 16B2.05 Kp1- | 17Kp2 | 18Kp4+ | 19B1.56 Kp2+ | 20Kp2- | 21Kp3- |
22B9.16 Kp4- | 23B7.26 Kp3 | 24B2.33 Kp2- | 25B7.72 Kp2- | 26Kp1+ | 27C1.06 Kp1 | 28B2.31 Kp2 |
29Kp1+ | 30B1.88 Kp4- | 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 74New paper on the Gannon Storm 10-11 May 2024 2AR4294 / 4296 / 4298 359Electron event 10AR 4299 89
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Space weather facts
| Last X-flare | 2025/12/01 | X1.9 |
| Last M-flare | 2025/12/06 | M8.1 |
| 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 | 167.7 +75.9 |
| Last 30 days | 107.1 +13.7 |