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. |
1Kp2+ | 2Kp3+ | 3Kp4- | 4Kp3- | 5Kp1 | 6Kp1+ | |
7Kp2 | 8Kp4 | 9Kp5- | 10Kp4 | 11Kp3- | 12Kp4- | 13Kp5 |
14Kp4+ | 15Kp2+ | 16Kp3+ | 17Kp3 | 18Kp5+ | 19A6.7 Kp5+ | 20B1.28 Kp4 |
21Kp3- | 22Kp7- | 23Kp7+ | 24Kp4- | 25Kp3 | 26Kp3- | 27Kp2+ |
28Kp4- | 29Kp3+ | 30Kp4+ | 31Kp3+ | |||
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 389AR4299 M8.1 CME 2025/12/06 87AR 4299 115New 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 | 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 |