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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August 1999 |
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Tuesday Tues. |
Wednesday Wed. |
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Friday Fri. |
Saturday Sat. |
Sunday Sun. |
1M1.32 Kp4+ | ||||||
2X2.03 Kp2+ | 3M1.87 Kp2 | 4M8.61 Kp3+ | 5M2.71 Kp2+ | 6M2.69 Kp4 | 7M2.44 Kp4- | 8C6.01 Kp4- |
9C6.5 Kp4- | 10C6.9 Kp2+ | 11C2.19 Kp3- | 12C3.56 Kp3- | 13C7.6 Kp3 | 14M1.03 Kp2- | 15C6.6 Kp5- |
16C1.97 Kp5+ | 17C8.47 Kp5+ | 18M1.12 Kp5 | 19M1.5 Kp4+ | 20X1.41 Kp6- | 21M8.46 Kp2 | 22M1.41 Kp4+ |
23C8.21 Kp6- | 24C7.69 Kp6- | 25M5.23 Kp4 | 26M1.02 Kp4 | 27M7.94 Kp3+ | 28X1.61 Kp3 | 29M1.37 Kp3 |
30M5.49 Kp5 | 31M1.26 Kp5 | |||||
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 |