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. |
Wednesday Wed. |
Thursday Thurs. |
Friday Fri. |
Saturday Sat. |
Sunday Sun. |
1B7.45 Kp4- | 2B5 Kp3- | 3C3.09 Kp3 | ||||
4B3.59 Kp4 | 5B3.9 Kp4+ | 6B4.74 Kp3 | 7C1.52 Kp2+ | 8C4.57 Kp3 | 9B6.41 Kp4 | 10B3.67 Kp3+ |
11C3.74 Kp4- | 12C2.85 Kp3 | 13B7.91 Kp2+ | 14B5.52 Kp3- | 15B4.94 Kp3- | 16B8.69 Kp1+ | 17C1.12 Kp2- |
18C1.53 Kp2+ | 19C1.01 Kp4 | 20C1.16 Kp4 | 21B4.04 Kp4- | 22B7.91 Kp3 | 23B7.62 Kp3- | 24C1.04 Kp1+ |
25C1.01 Kp4- | 26C5.49 Kp3- | 27M1.66 Kp1+ | 28C7.67 Kp1+ | 29C9.08 Kp2+ | 30X1.34 Kp5 | 31C5.44 Kp3 |
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
Latest forum messages
AR4299 M8.1 CME 2025/12/06 446Notification bug 1AR4294 / 4296 / 4298 450Geminid Meteor Shower 2Growth of Cycle 25 977
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Space weather facts
| Last X-flare | 2025/12/08 | X1.1 |
| Last M-flare | 2025/12/10 | M4.4 |
| Last geomagnetic storm | 2025/12/10 | Kp6+ (G2) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| November 2025 | 91.8 -22.8 |
| December 2025 | 155.3 +63.5 |
| Last 30 days | 109 +10.8 |