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. |
1B2.48 Kp3- | 2M1.22 Kp1 | 3B1.81 Kp2- | 4B4.38 Kp1 | 5C6.03 Kp1- | 6C1.41 Kp1- | |
7B1.74 Kp5 | 8B3.51 Kp4 | 9C1.11 Kp2- | 10Kp2+ | 11B2.2 Kp1 | 12B3.69 Kp1 | 13Kp1+ |
14B2.88 Kp1+ | 15C1.47 Kp1+ | 16C4.18 Kp1+ | 17B7.98 Kp3- | 18B1.26 Kp4+ | 19C1.36 Kp3+ | 20B9.6 Kp3- |
21C1.12 Kp3 | 22B5.61 Kp4+ | 23B7.64 Kp5+ | 24Kp6- | 25B1.24 Kp4 | 26B2.7 Kp4- | 27Kp3 |
28Kp2+ | 29Kp2- | 30C2.96 Kp1+ | 31C1.67 Kp2 | |||
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
Available resources & tools / space weather databases 5Sunspot Latitudes at or near Solar Maximum 114Incoming & Unnumbered Active Regions 222Solar Cycle 25 24AR4387 3
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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 | 2026/03/03 | Kp5 (G1) |
| Spotless days | |
|---|---|
| Last 365 days | 3 days |
| 2026 | 3 days (4%) |
| Last spotless day | 2026/02/24 |
| Monthly mean Sunspot Number | |
|---|---|
| February 2026 | 78.2 -34.3 |
| March 2026 | 75.1 -3.1 |
| Last 30 days | 54.5 -72.1 |