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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1B2.34 Kp1 | 2Kp2 | |||||
3Kp1+ | 4Kp2+ | 5Kp2+ | 6A1.57 Kp1- | 7Kp1+ | 8Kp5+ | 9Kp3 |
10Kp1- | 11Kp1- | 12Kp1+ | 13Kp4 | 14A1.57 Kp2+ | 15Kp1+ | 16Kp1+ |
17Kp1 | 18Kp1+ | 19Kp1 | 20Kp2+ | 21Kp2+ | 22Kp2- | 23A1.57 Kp1+ |
24Kp2- | 25Kp1+ | 26Kp2- | 27Kp1+ | 28Kp2 | 29Kp1 | 30Kp2+ |
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
Comet C/2026 A1 (MAPS) for the southern hemisphere 12Available resources & tools / space weather databases 11JHelioviewer Tips and Settings 45AR4387 / AR4389 / AR4391 7Unspecified geomagnetic activity 93
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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 | 74.4 -3.8 |
| Last 30 days | 52.8 -75.1 |