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. |
1C5.8 Kp4 | 2M4.3 Kp5- S1 | 3C6.5 Kp3 S1 | ||||
4C2.7 Kp4- | 5C1.9 Kp2 | 6C3.1 Kp3- | 7C1.2 Kp4- | 8C2.4 Kp3+ | 9C4.7 Kp4- | 10C5 Kp7- |
11C1.6 Kp4- | 12C3.8 Kp4- | 13B9 Kp3+ | 14C1.3 Kp6 | 15M2.2 Kp5 | 16M1 Kp3- | 17X1.1 Kp3 |
18M1.9 Kp3+ | 19M3.7 Kp3 | 20X2.25 Kp3+ | 21M9.7 Kp3 | 22M3.4 Kp2+ | 23C2.6 Kp3+ | 24C3.7 Kp2 |
25M1.2 Kp2- | 26C3.9 Kp1 | 27C7.7 Kp5 | 28C6.8 Kp4- | 29M1.2 Kp4- | 30X1.1 Kp4+ | |
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 | 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 |