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. |
1C2.5 Kp3+ | ||||||
2B5.98 Kp3+ | 3C1.86 Kp3+ | 4C5.2 Kp2 | 5C2.17 Kp2- | 6C1.4 Kp2 | 7C1.15 Kp1 | 8C1.03 Kp3 |
9Kp1+ | 10B5.28 Kp3- | 11Kp2- | 12B3.21 Kp3- | 13Kp4- | 14Kp2+ | 15Kp1+ |
16B8.07 Kp2- | 17B9.15 Kp3 | 18C5.61 Kp3- | 19C2.56 Kp4 | 20C5.48 Kp2+ | 21C4.29 Kp3- | 22B8.13 Kp2+ |
23B9.18 Kp2 | 24C1.57 Kp4+ | 25B8.23 Kp3- | 26B9.47 Kp0+ | 27B9.1 Kp1- | 28B8.02 Kp0+ | 29C2.38 Kp2- |
30B6.37 Kp2- S2 | ||||||
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
AR 4357 3Forum alert bar hidden at the bottom 4Ar 14349 15Incoming & Unnumbered Active Regions 138Broad-spectrum aurora pillars 42
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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 |