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. |
1Kp3+ | 2Kp3- | 3Kp2- | 4Kp2- | |||
5A8.1 Kp4+ | 6Kp4- | 7Kp2+ | 8Kp1- | 9Kp0+ | 10Kp1- | 11Kp1+ |
12A3 Kp1+ | 13B1.4 Kp1 | 14B1.7 Kp0 | 15B1.4 Kp1 | 16C3.5 Kp1+ | 17B1.3 Kp2 | 18B4 Kp1 |
19B2.8 Kp3 | 20B3.6 Kp2+ | 21Kp4- | 22Kp3+ | 23Kp5- | 24B2.3 Kp4 | 25B1.8 Kp4- |
26B1.7 Kp4- | 27C4.3 Kp3+ | 28C1.4 Kp3+ | 29C4.3 Kp4 | 30B3.7 Kp2 | 31B2 Kp2+ | |
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
Coronal Hole 06 56Incoming & Unnumbered Active Regions 39Current Farside Activity 254Geminid Meteor Shower 27Returning Carrington 14
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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 | 128 +36.2 |
| Last 30 days | 108.4 +15.8 |