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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1Kp4 | 2Kp5- | 3Kp3 | 4Kp3- | |||
5Kp3+ | 6Kp4 | 7Kp2 | 8Kp2- | 9Kp1+ | 10Kp2 | 11Kp2- |
12B2.04 Kp1+ | 13Kp2- | 14Kp1 | 15Kp1+ | 16Kp2- | 17B2.55 Kp1- | 18Kp2- |
19Kp2 | 20Kp3 | 21Kp4- | 22Kp3+ | 23Kp3+ | 24Kp3+ | 25Kp2+ |
26Kp1+ | 27Kp2 | 28Kp3+ | 29Kp3 | 30Kp4- | 31Kp3 | |
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
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Space weather facts
| Last X-flare | 2026/02/04 | X4.21 |
| Last M-flare | 2026/03/15 | M1.0 |
| 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 | 84.2 +6 |
| Last 30 days | 59.9 -64.3 |