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. |
1C1.1 Kp3+ | 2C2.5 Kp2+ | 3C2 Kp4 | 4C2.5 Kp4- | 5C1.5 Kp4 | 6C1.4 Kp5 | |
7C3.5 Kp5 | 8M2.48 Kp3+ | 9M1.3 Kp3- | 10C8.9 Kp1 | 11C8 Kp4+ | 12M2.3 Kp3 | 13C9 Kp4+ |
14C4.5 Kp4+ | 15C2.4 Kp5- | 16C5 Kp5- | 17C5.9 Kp4 | 18C3.5 Kp4 | 19C4.3 Kp3- | 20C7.7 Kp2- |
21C5.1 Kp1+ | 22C6.4 Kp5- | 23C2.5 Kp5- | 24C8.1 Kp4- | 25C7.4 Kp3- | 26C3.3 Kp4- | 27C3.4 Kp1+ |
28C1.5 Kp2+ | 29C3.7 Kp3- | 30C4.7 Kp3 | 31C1.9 Kp3 | |||
Latest news
Monday, 19 January 2026
CME impact! S4 solar radiation storm
Sunday, 18 January 2026
X1.9 solar flare with earth-directed CME
Wednesday, 31 December 2025
Happy New Year! Celebrate with an M7.1 solar flare!
Latest forum messages
Forum alert bar hidden at the bottom 1CH 17 12Broad-spectrum aurora pillars 36Incoming & Unnumbered Active Regions 135AR 4357 1
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Space weather facts
| Last X-flare | 2026/01/18 | X1.9 |
| Last M-flare | 2026/01/21 | M3.4 |
| Last geomagnetic storm | 2026/01/28 | Kp5+ (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| December 2025 | 124 +32.2 |
| January 2026 | 119.2 -4.8 |
| Last 30 days | 119.5 +1.5 |