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 2025 |
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Sunday Sun. |
1M1.2 Kp8 | 2M1.1 Kp5- | 3X1.2 Kp3+ | 4X1.85 Kp5+ S1 | 5M4.1 Kp4+ S1 | ||
6M4.87 Kp4- | 7M1.1 Kp3+ | 8C9.8 Kp4- | 9M1.1 Kp4- | 10C9 Kp4 | 11C2.8 Kp3 | 12C4.3 Kp2+ |
13C8.1 Kp4 | 14C6.2 Kp3 | 15C6.2 Kp4- | 16C4.4 | 17M7.4 | 18M1.7 | 19M2.4 |
Latest news
Thursday, 16 January 2025
Coronal hole faces Earth
Saturday, 4 January 2025
Sunspot region 3947, X-class solar flares
Monday, 30 December 2024
Two earth-directed coronal mass ejections
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Space weather facts
| Last X-flare | 2025/01/04 | X1.85 |
| Last M-flare | 2025/01/19 | M2.4 |
| Last geomagnetic storm | 2025/01/04 | Kp5 (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| December 2024 | 154.5 +2 |
| January 2025 | 132.7 -21.8 |
| Last 30 days | 156.6 +39.4 |