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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1B2.65 Kp4- | 2Kp4 | 3Kp3+ | ||||
4Kp3 | 5Kp3 | 6Kp3- | 7Kp2 | 8A1.57 Kp4- | 9Kp3 | 10Kp3- |
11Kp3 | 12Kp2+ | 13Kp4- | 14Kp3+ | 15Kp2+ | 16Kp2 | 17Kp2+ |
18A2 Kp3 | 19Kp1 | 20B1.48 Kp2- | 21Kp4- | 22Kp2 | 23Kp1 | 24Kp1 |
25Kp1- | 26Kp1 | 27Kp4 | 28Kp5- | |||
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 388AR4299 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 |