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. |
1B4.89 Kp4- | 2Kp4 | 3B2.02 Kp3 | 4Kp2+ | 5B5.13 Kp1 | 6M4.21 Kp3- | 7M9.17 Kp2 |
8M5.8 Kp3- | 9C3.93 Kp1 | 10C5.39 Kp1+ | 11C1.66 Kp2 | 12X1.2 Kp3+ | 13M1.37 Kp2+ | 14C6.22 Kp3- |
15C2.72 Kp4+ | 16B3.75 Kp4- | 17B3.64 Kp3+ | 18B2.58 Kp3 | 19B3.79 Kp2 | 20B1.69 Kp1- | 21B1.99 Kp1- |
22B3.49 Kp2 | 23Kp2+ | 24B4.99 Kp2+ | 25Kp3- | 26B1.45 Kp3- | 27B2.23 Kp1 | 28B1.61 Kp1 |
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
AR 4299 111AR4299 M8.1 CME 2025/12/06 83AR4294 / 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 |