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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Wednesday Wed. |
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Friday Fri. |
Saturday Sat. |
Sunday Sun. |
1Kp5+ | 2Kp3 | |||||
3Kp2+ | 4Kp2- | 5Kp3+ | 6Kp1+ | 7Kp1+ | 8Kp4 | 9Kp6- |
10Kp4 | 11B8.43 Kp4 | 12Kp4- | 13Kp3+ | 14Kp4 | 15Kp3+ | 16Kp3- |
17Kp2+ | 18Kp4- | 19Kp3 | 20Kp3+ | 21Kp3- | 22Kp3- | 23Kp3+ |
24B7.34 Kp2- | 25M2.47 Kp2 | 26C1.09 Kp5 | 27B6.98 Kp5 | 28B2.36 Kp4+ | 29B4.53 Kp3 | 30B2.08 Kp4- |
31B3.54 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
AR4294 / 4296 / 4298 372AR4299 M8.1 CME 2025/12/06 85AR 4299 114New 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 | 162.7 +70.9 |
| Last 30 days | 108 +13.3 |