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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October 1997 |
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Monday Mon. |
Tuesday Tues. |
Wednesday Wed. |
Thursday Thurs. |
Friday Fri. |
Saturday Sat. |
Sunday Sun. |
1C1.1 Kp7 | 2C1.43 Kp3- | 3B4.9 Kp3- | 4B1.71 Kp2 | 5B5.04 Kp1 | ||
6Kp2 | 7B2.81 Kp4- | 8B5 Kp4 | 9C1.21 Kp4+ | 10B4.97 Kp6+ | 11B8.46 Kp6+ | 12B3.03 Kp3- |
13C1.41 Kp3- | 14B3.4 Kp2- | 15B7.71 Kp2- | 16B3.17 Kp2- | 17B4.29 Kp2+ | 18B2.14 Kp2 | 19B2.14 Kp1 |
20B7.29 Kp2+ | 21C4.43 Kp1+ | 22Kp2 | 23Kp4- | 24Kp5+ | 25B2.2 Kp5 | 26B2.41 Kp5- |
27B2.59 Kp5- | 28C7.9 Kp4 | 29B2.16 Kp3 | 30B8.87 Kp3- | 31B5.74 Kp2 | ||
Latest news
Monday, 1 December 2025
X1.9 solar flare, Coronal hole faces Earth
Friday, 14 November 2025
X4.0 solar flare
Tuesday, 11 November 2025
X5.1 solar flare, G4 geomagnetic storm watch
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Space weather facts
| Last X-flare | 2025/12/01 | X1.9 |
| Last M-flare | 2025/12/04 | M6.0 |
| 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 | 186 +94.2 |
| Last 30 days | 106.3 +12.6 |