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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November 1999 |
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Monday Mon. |
Tuesday Tues. |
Wednesday Wed. |
Thursday Thurs. |
Friday Fri. |
Saturday Sat. |
Sunday Sun. |
1C5.29 Kp4- | 2C4.01 Kp3- | 3M1.28 Kp3 | 4M1.13 Kp2+ | 5M4.41 Kp3 | 6C7.23 Kp4- | 7C4.54 Kp5 |
8M1.22 Kp5- | 9M1.66 Kp5- | 10M2.16 Kp4- | 11M1.23 Kp5- | 12M2.46 Kp3 | 13M1.86 Kp6+ | 14X1.15 Kp3 |
15M4.16 Kp2+ | 16M5.5 Kp4+ | 17X1.06 Kp3 | 18M2.06 Kp4- | 19C3.09 Kp4 | 20M4.64 Kp3+ | 21M4.93 Kp3+ |
22M1.28 Kp4- | 23C2.96 Kp5- | 24M4.33 Kp5 | 25M2.97 Kp5- | 26M8.64 Kp2 | 27X2.04 Kp1+ | 28M5.06 Kp3- |
29M1.66 Kp2+ | 30C3.89 Kp3+ | |||||
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
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Space weather facts
| Last X-flare | 2025/12/08 | X1.1 |
| Last M-flare | 2025/12/27 | M5.1 |
| Last geomagnetic storm | 2025/12/22 | Kp5 (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| November 2025 | 91.8 -22.8 |
| December 2025 | 115.5 +23.7 |
| Last 30 days | 113.8 +28 |