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. |
1C1.8 Kp3 | 2B5.45 Kp3+ | 3C1.19 Kp4 | 4C1.8 Kp5- | |||
5C3.88 Kp5 | 6C9.71 Kp3- | 7M1.05 Kp3+ | 8M8.22 Kp3- | 9M2.22 Kp3- | 10M9.58 Kp2+ | 11C7.21 Kp2 |
12C6.84 Kp4- | 13C2.4 Kp3+ | 14C1.35 Kp3 | 15C3.03 Kp1 | 16C7.74 Kp1+ | 17C5.61 Kp2+ | 18C4.95 Kp3 |
19C4.97 Kp7- | 20M2.33 Kp7+ | 21M2.65 Kp4 | 22M2.28 Kp4+ | 23C4.96 Kp5 | 24M2.43 Kp4- | 25M3.71 Kp3- |
26M3.86 Kp2- | 27M3.28 Kp6 | 28M6.17 Kp6+ | 29X2.45 Kp5- S1 | 30M3.22 Kp3+ S1 | 31M3.06 Kp9- S1 | |
Latest news
Tuesday, 17 March 2026
M2.7 solar flare, CME arrival possible
Sunday, 1 February 2026
Complex sunspot region 4366
Monday, 19 January 2026
CME impact! S4 solar radiation storm
Latest forum messages
AR4392 (including CMEs) 64Growth of Cycle 25 985Incoming & Unnumbered Active Regions 223Current Farside Activity 416CH 31 HSS 10
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Space weather facts
| Last X-flare | 2026/02/04 | X4.21 |
| Last M-flare | 2026/03/17 | M1.3 |
| Last geomagnetic storm | 2026/03/14 | Kp6 (G2) |
| 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 | 83.1 +4.9 |
| Last 30 days | 60 -62.3 |