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. |
1B1.62 Kp1- | 2B1.71 Kp1 | 3B2.2 Kp2+ | 4Kp2+ | 5Kp2- | 6B3.81 Kp1 | 7Kp2+ |
8Kp1 | 9Kp1- | 10Kp2- | 11Kp1 | 12Kp0+ | 13Kp1+ | 14Kp2 |
15Kp2- | 16Kp2 | 17Kp1- | 18Kp2 | 19Kp1+ | 20Kp2 | 21Kp3- |
22Kp1 | 23Kp3+ | 24Kp5 | 25Kp2+ | 26Kp2- | 27Kp2 | 28Kp4 |
29Kp4- | 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
X8 CME 2AR4366 610JHelioviewer Tips and Settings 40X1.9 CME 1359New satellites - Proba-3, PUNCH, SWFO-L1, GOES-U/19 71
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Space weather facts
| Last X-flare | 2026/02/02 | X1.6 |
| Last M-flare | 2026/02/03 | M1.7 |
| Last geomagnetic storm | 2026/01/28 | Kp5+ (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| December 2025 | 124 +32.2 |
| February 2026 | 114 -10 |
| Last 30 days | 118.1 +6.2 |