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. |
1C7.62 Kp4+ | 2C5.04 Kp4 | 3C6.73 Kp3 | ||||
4C1.58 Kp2- | 5C2.6 Kp1+ | 6C8.45 Kp1+ | 7M7.02 Kp3- | 8C2.76 Kp1+ | 9M4.1 Kp5 | 10M1.42 Kp6+ |
11M1.21 Kp5 | 12M2.22 Kp6+ | 13M7.27 Kp5+ | 14X1.86 Kp3 S2 | 15M1.05 Kp2 S2 | 16M1.52 Kp3 S1 | 17C6.27 Kp5 S1 |
18B5.08 Kp5+ S1 | 19Kp3 | 20Kp5- | 21Kp5 | 22Kp3+ | 23B4.45 Kp2 | 24Kp2- |
25B4.88 Kp2- | 26B7.82 Kp2- | 27M5.37 Kp5 S1 | 28M6.96 Kp5+ S1 | 29C4.93 Kp4+ S1 | 30X1.88 Kp4- S1 | 31M1.61 Kp3+ S1 |
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
AR4366 1001Do the high-resolution sunspot counts point to more complex sunspots? 57Current Farside Activity 371Incoming & Unnumbered Active Regions 154Feb 8-9 CMEs 21
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Space weather facts
| Last X-flare | 2026/02/04 | X4.3 |
| Last M-flare | 2026/02/09 | M2.8 |
| Last geomagnetic storm | 2026/02/05 | Kp5+ (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| January 2026 | 112.6 -11.4 |
| February 2026 | 135.3 +22.7 |
| Last 30 days | 127.2 +23.7 |