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. |
1Kp3+ | 2B4.14 Kp4+ | |||||
3M1.86 Kp2 | 4C1.65 Kp2- | 5B5.06 Kp1- | 6B2.11 Kp3 | 7C1.44 Kp2 | 8C4.98 Kp1 | 9M1.98 Kp5+ |
10C2.23 Kp4- | 11C1.8 Kp2+ | 12Kp1+ | 13M1.38 Kp1+ | 14M3.5 Kp1- S1 | 15C8.42 Kp1 S1 | 16C4.42 Kp6 |
17C3.3 Kp6- | 18C3.03 Kp3 | 19Kp1+ | 20Kp3 | 21Kp4- | 22Kp4+ | 23B1.87 Kp4 |
24Kp3+ | 25Kp3 | 26Kp4 | 27B1.83 Kp3- | 28Kp3- | 29Kp1+ | 30Kp1 |
31C1.28 Kp1 | ||||||
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 137AR4294 / 4296 / 4298 415Space Weather Memes 761AR 4299 121New paper on the Gannon Storm 10-11 May 2024 2
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Space weather facts
| Last X-flare | 2025/12/08 | X1.1 |
| Last M-flare | 2025/12/08 | M1.1 |
| Last geomagnetic storm | 2025/12/04 | Kp5 (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| November 2025 | 91.8 -22.8 |
| December 2025 | 162.7 +70.9 |
| Last 30 days | 108 +13.3 |