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. |
1M1.9 Kp4- | 2M2.7 Kp7- | 3X1.6 Kp4 | 4M9.13 Kp3 | 5X1.32 Kp4+ | ||
6X4.52 Kp5+ | 7M8.29 Kp3- | 8X1.02 Kp2 | 9X2.2 Kp2+ | 10X3.98 Kp9- S2 | 11X5.89 Kp9 S2 | 12X1.02 Kp7 S1 |
13M6.6 Kp6 S1 | 14X8.79 Kp2+ S2 | 15X3.48 Kp3 S1 | 16M1 Kp6 S1 | 17M7.25 Kp6 | 18C7.1 Kp4 | 19M2.5 Kp3- |
20C6.6 Kp2+ | 21M1.9 Kp3- | 22M2.32 Kp2- | 23M4.23 Kp3+ | 24M1.4 Kp3 | 25C5.8 Kp2+ | 26C7.4 Kp3- |
27X2.9 Kp3 | 28C8.9 Kp2 | 29X1.45 Kp2+ | 30M1 Kp3+ | 31X1.18 Kp4+ | ||
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
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Space weather facts
| Last X-flare | 2025/12/08 | X1.1 |
| Last M-flare | 2025/12/21 | M1.3 |
| Last geomagnetic storm | 2025/12/22 | Kp5 (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| November 2025 | 91.8 -22.8 |
| December 2025 | 116.9 +25.1 |
| Last 30 days | 110.1 +23.7 |