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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Sunday Sun. |
1B5.94 Kp1+ | ||||||
2Kp2 | 3Kp0+ | 4Kp1- | 5Kp0+ | 6Kp0 | 7Kp1 | 8Kp3- |
9Kp2 | 10Kp1- | 11Kp1- | 12Kp1 | 13Kp1+ | 14Kp2 | 15Kp3- |
16Kp1- | 17B2.22 Kp1 | 18Kp1 | 19Kp2 | 20Kp1+ | 21Kp3 | 22Kp3- |
23Kp0+ | 24Kp4- | 25Kp3- | 26Kp2+ | 27Kp1 | 28Kp1+ | 29Kp0+ |
30Kp0+ | ||||||
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
Latest forum messages
Ask your obscure/"stupid" space weather questions. 495AR4392 2AR4387 / AR4389 / AR4391 13AR 4384 8Solar cycle 25, solar maximum, is it over? 62
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Space weather facts
| Last X-flare | 2026/02/04 | X4.21 |
| Last M-flare | 2026/02/25 | M2.4 |
| Last geomagnetic storm | 2026/03/03 | 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 | 78.5 +0.3 |
| Last 30 days | 54.3 -74.5 |