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. |
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Sunday Sun. |
1Kp3 | 2C6.41 Kp3+ | 3M1.21 Kp4- | 4M4.36 Kp2 | 5X1.74 Kp4+ | 6C3.44 Kp5 | |
7C6.33 Kp5+ | 8M1.9 Kp4- | 9M1.06 Kp4- | 10M1.01 Kp3+ | 11C3.36 Kp4+ | 12M2.53 Kp7- | 13C1.66 Kp4- |
14C1.16 Kp5+ | 15C3.1 Kp4+ | 16C3.54 Kp3- | 17M3.67 Kp3- | 18C3.89 Kp0+ S1 | 19M1.86 Kp2 | 20M3.44 Kp4- |
21M2.6 Kp5- | 22M1.71 Kp2+ | 23C9.77 Kp4 | 24M1.6 Kp5- | 25M1.24 Kp4+ | 26M1.54 Kp4 | 27C5.77 Kp4- |
28C2.84 Kp4 | 29M1.35 Kp3 | |||||
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
Latest forum messages
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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 |