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. |
1B1.69 Kp3+ | 2Kp3 | 3Kp3- | 4B2.61 Kp1 | 5Kp1+ | 6Kp1+ | |
7A9.04 Kp6- | 8Kp3+ | 9B7.39 Kp3+ | 10C6.14 Kp3 | 11C4.02 Kp2 | 12B3.47 Kp2+ | 13C1.12 Kp1- |
14B4 Kp1+ | 15C1.16 Kp1+ | 16C5.17 Kp1 | 17C1.49 Kp2 | 18B4.41 Kp4- | 19C5.47 Kp6 | 20C6.23 Kp6 |
21C6.82 Kp4+ | 22B9.44 Kp5 | 23C1.09 Kp3- | 24B3.21 Kp2 | 25Kp1 | 26C3.6 Kp1+ | 27B5.62 Kp5- |
28C2.74 Kp4- | 29C3.1 Kp3- | 30Kp2+ | 31C1.03 Kp3- | |||
Latest news
Sunday, 1 February 2026
Complex sunspot region 4366
Monday, 19 January 2026
CME impact! S4 solar radiation storm
Sunday, 18 January 2026
X1.9 solar flare with earth-directed CME
Latest forum messages
CME March 1 6AR4379/4380 13Did ChatGPT Find a New Solar Physics Formula? 20Incoming & Unnumbered Active Regions 213Forum alert bar hidden at the bottom 6
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Space weather facts
| Last X-flare | 2026/02/04 | X4.21 |
| Last M-flare | 2026/02/25 | M2.4 |
| Last geomagnetic storm | 2026/02/22 | Kp5+ (G1) |
| Spotless days | |
|---|---|
| Last 365 days | 3 days |
| 2026 | 3 days (5%) |
| Last spotless day | 2026/02/24 |
| Monthly mean Sunspot Number | |
|---|---|
| January 2026 | 112.6 -11.4 |
| February 2026 | 76.8 -35.8 |
| Last 30 days | 83.1 -38 |