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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Monday Mon. |
Tuesday Tues. |
Wednesday Wed. |
Thursday Thurs. |
Friday Fri. |
Saturday Sat. |
Sunday Sun. |
1C9.71 Kp3- | 2C1.93 Kp3+ | 3M1.67 Kp3+ | 4M1.63 Kp3+ | 5C9.59 Kp4 | ||
6C1.67 Kp5 | 7C1.96 Kp2 | 8C2.53 Kp2- | 9C3.34 Kp4+ | 10C1.61 Kp3- | 11C5.8 Kp4 | 12C1.18 Kp3 |
13B9.84 Kp2+ | 14M6.36 Kp1 | 15C9.06 Kp3- | 16C8.67 Kp6 | 17B7.73 Kp3- | 18C3.64 Kp3- | 19C1.86 Kp2 |
20C1.26 Kp2 | 21B8.96 Kp4- | 22C8.59 Kp4 | 23C1.89 Kp5+ | 24M1.07 Kp5 | 25C2.17 Kp3+ | 26B9.27 Kp2 |
27B5.87 Kp2- | 28C1.27 Kp3- | 29Kp3- | 30Kp5 | 31C4.23 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 |