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. |
1B4.05 Kp5- | 2B4.04 Kp4 | 3C1.13 Kp3- | ||||
4Kp1+ | 5Kp2- | 6C1.43 Kp4- | 7Kp3- | 8Kp2 | 9Kp1+ | 10Kp1 |
11B2.57 Kp1+ | 12B1.6 Kp2- | 13Kp2 | 14Kp1+ | 15B1.57 Kp1 | 16B2.23 Kp1- | 17B1.73 Kp2- |
18B1.43 Kp4 | 19B1.49 Kp2+ | 20B8.98 Kp2+ | 21C3.05 Kp1 | 22B3.53 Kp1+ | 23B6.78 Kp4 | 24C1.24 Kp3- |
25B3.62 Kp5 | 26Kp5- | 27B3.24 Kp3- | 28Kp2- | 29Kp1+ | 30Kp1 | |
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
Incoming & Unnumbered Active Regions 33Coronal Hole 06 43Current Farside Activity 247Geminid Meteor Shower 20Filaments and prominences 414
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Space weather facts
| Last X-flare | 2025/12/08 | X1.1 |
| Last M-flare | 2025/12/12 | M1.1 |
| Last geomagnetic storm | 2025/12/12 | Kp5 (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| November 2025 | 91.8 -22.8 |
| December 2025 | 135.1 +43.3 |
| Last 30 days | 107.1 +10.8 |