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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January 1999 |
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Tuesday Tues. |
Wednesday Wed. |
Thursday Thurs. |
Friday Fri. |
Saturday Sat. |
Sunday Sun. |
1M1.61 Kp3- | 2C4.09 Kp2+ | 3M1.26 Kp2+ | ||||
4C5.2 Kp3- | 5C3.37 Kp3+ | 6C2.44 Kp3+ | 7M1.15 Kp3 | 8C5.31 Kp4 | 9C1.44 Kp4- | 10C1.46 Kp3 |
11C3.54 Kp2 | 12C9.97 Kp2+ | 13M1 Kp7 | 14M4.39 Kp5+ | 15M1.91 Kp5- | 16M5.27 Kp3+ | 17C8.54 Kp3- |
18M2.96 Kp3 | 19M1.09 Kp2 | 20M7.54 Kp3+ | 21C7.37 Kp3 | 22M2.14 Kp4 | 23C8.13 Kp5 S1 | 24C7.97 Kp4+ |
25M3.8 Kp4- | 26M1.19 Kp2+ | 27C5.61 Kp3 | 28C1.61 Kp3- | 29C1.74 Kp2+ | 30B6.83 Kp2 | 31C1.26 Kp2- |
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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AR4299 M8.1 CME 2025/12/06 300Ask a powergrid operator anything 45Light pillar 11AR4294 / 4296 / 4298 441Geomagnetic Data / Monitoring 7
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Space weather facts
| Last X-flare | 2025/12/08 | X1.1 |
| Last M-flare | 2025/12/09 | M1.5 |
| 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 | 157.7 +65.9 |
| Last 30 days | 108.9 +11.4 |