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.
January 1996 |
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Monday Mon. |
Tuesday Tues. |
Wednesday Wed. |
Thursday Thurs. |
Friday Fri. |
Saturday Sat. |
Sunday Sun. |
1Kp3- | 2Kp4- | 3Kp4- | 4Kp2+ | 5Kp3- | 6Kp3- | 7Kp2+ |
8Kp2- | 9Kp1+ | 10Kp2 | 11Kp2 | 12Kp4+ | 13Kp5 | 14Kp5+ |
15Kp5- | 16Kp3+ | 17Kp4 | 18Kp3+ | 19Kp4+ | 20Kp4 | 21Kp3- |
22Kp2+ | 23Kp3- | 24Kp3 | 25Kp2+ | 26Kp3+ | 27Kp3- | 28Kp3+ |
29Kp4+ | 30Kp3+ | 31Kp3+ | ||||
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 | 2026/03/26 | 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 |