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. |
1B4.24 Kp1+ | ||||||
2Kp1 | 3Kp4- | 4Kp4+ | 5Kp2- | 6Kp2- | 7C2.77 Kp2 | 8C2.57 Kp2- |
9C2.49 Kp0+ | 10M1.17 Kp3+ | 11C1.13 Kp5 | 12Kp2+ | 13Kp3- | 14B1.35 Kp5+ | 15B3.84 Kp4+ |
16B4.21 Kp1+ | 17Kp1+ | 18B2.79 Kp1- | 19Kp1- | 20Kp4 | 21Kp4- | 22Kp1 |
23Kp1+ | 24Kp1 | 25Kp1- | 26Kp4- | 27Kp3 | 28B2.06 Kp2 | 29Kp4- |
30Kp3 | 31Kp2 | |||||
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 96AR4294 / 4296 / 4298 396AR 4299 117New 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 | M1.8 |
| 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 |