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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Tuesday Tues. |
Wednesday Wed. |
Thursday Thurs. |
Friday Fri. |
Saturday Sat. |
Sunday Sun. |
1B3.1 Kp1+ | 2Kp0+ | 3Kp0+ | ||||
4Kp1- | 5Kp4 | 6Kp4- | 7Kp2+ | 8Kp0+ | 9Kp1+ | 10A1 Kp1 |
11Kp4 | 12Kp4- | 13A4.3 Kp1+ | 14Kp0+ | 15Kp2- | 16Kp1 | 17B2.8 Kp1+ |
18B1.2 Kp2 | 19C1 Kp3- | 20C1.4 Kp2+ | 21B5.4 Kp1 | 22B1.5 Kp1 | 23B3 Kp2 | 24Kp2 |
25B5 Kp5- | 26B1.3 Kp4 | 27Kp3+ | 28B3.1 Kp3 | 29B4.3 Kp1 | 30Kp1- | 31Kp1- |
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 |