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. |
1C4.8 Kp6- | 2C6.1 Kp5+ | 3C3.7 Kp4+ | 4M1.05 Kp3 | 5M1.4 Kp3 | 6M1.2 Kp5 | 7C9.5 Kp2 |
8C1.2 Kp4- | 9C1.6 Kp5+ | 10C1.3 Kp4 | 11C7.7 Kp3+ | 12C1.4 Kp3- | 13C1.5 Kp3- | 14C3.8 Kp5- |
15C3.5 Kp7- | 16C3.5 | 17C2.3 | 18C3.6 | 19M1.5 | 20C3.4 | 21C6.6 |
22C4.2 | 23M1 | 24M1.6 | 25C3.6 | 26M1.6 | 27M1.1 | 28M6.4 |
29M3.6 | 30M2.68 | |||||
Latest news
Friday, 14 November 2025
X4.0 solar flare
Tuesday, 11 November 2025
X5.1 solar flare, G4 geomagnetic storm watch
Monday, 10 November 2025
X1.2 solar flare with earth-directed CME
Latest forum messages
AR4274 X4.0 CME discussion 58AR 14274 CMES (featuring X5 full halo) 1421Space Weather Analyst 8Sunspot region 4274 808Filaments and prominences 384
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Space weather facts
| Last X-flare | 2025/11/14 | X4.0 |
| Last M-flare | 2025/11/14 | M1.3 |
| Last geomagnetic storm | 2025/11/13 | Kp7+ (G3) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| October 2025 | 114.6 -15.2 |
| November 2025 | 101 -13.6 |
| Last 30 days | 97.2 -37.2 |