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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Friday Fri. |
Saturday Sat. |
Sunday Sun. |
1B2.6 Kp2 | 2Kp2- | 3Kp3- | ||||
4Kp2 | 5Kp2 | 6Kp3+ | 7Kp1+ | 8A1.1 Kp1+ | 9Kp1- | 10Kp2+ |
11Kp2- | 12Kp2+ | 13Kp1+ | 14Kp0+ | 15A7.9 Kp1 | 16Kp2- | 17Kp1 |
18Kp2 | 19Kp2- | 20Kp1 | 21Kp2 | 22Kp2+ | 23Kp2- | 24Kp2+ |
25Kp2 | 26Kp2- | 27B1.4 Kp1+ | 28B2.9 Kp1 | 29M1.1 Kp2- | 30Kp3+ | 31Kp1 |
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
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Space weather facts
| Last X-flare | 2026/02/04 | X4.21 |
| Last M-flare | 2026/03/28 | M1.3 |
| Last geomagnetic storm | 2026/03/25 | Kp5+ (G1) |
| Spotless days | |
|---|---|
| Last 365 days | 3 days |
| 2026 | 3 days (3%) |
| Last spotless day | 2026/02/24 |
| Monthly mean Sunspot Number | |
|---|---|
| February 2026 | 78.2 -34.3 |
| March 2026 | 85.2 +7 |
| Last 30 days | 85.2 +8.6 |
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