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. |
1C3.9 Kp3- | 2C6.5 Kp2+ | 3C3.1 Kp6+ | ||||
4C2.4 Kp4 | 5C2.6 Kp3- | 6C1.3 Kp3 | 7C8.2 Kp4- | 8M1.3 Kp4- | 9C6.3 Kp4 | 10M7.4 Kp2+ |
11C5.8 Kp2 | 12C3.9 Kp2+ | 13C6.1 Kp3+ | 14C9.9 Kp3 | 15C6 Kp3+ S1 | 16M3.5 Kp1- S1 | 17C6.6 Kp0+ |
18M6.77 Kp3- | 19M2.1 Kp3- | 20M7.4 Kp2+ | 21C8.7 Kp5- | 22M4.3 Kp3+ | 23X1.12 Kp6- S2 | 24M2.7 Kp8+ S2 |
25M4.4 Kp5 S1 | 26M1.9 Kp3 | 27M1.1 Kp3 | 28X1.12 Kp3- | 29M3.2 Kp2- | 30M9.4 Kp2- | 31C4.8 Kp4- |
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
AR4401 57Incoming & Unnumbered Active Regions 246Photographing auroras 234SDO Imagery is not updated? 6Current Farside Activity 437
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Space weather facts
| Last X-flare | 2026/02/04 | X4.21 |
| Last M-flare | 2026/03/26 | M4.0 |
| Last geomagnetic storm | 2026/03/25 | 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 | 80.2 +2 |
| Last 30 days | 77.8 -4.5 |