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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Saturday Sat. |
Sunday Sun. |
1Kp2- | 2C1.03 Kp2- | |||||
3C2.29 Kp1- | 4C1.54 Kp1 | 5B4.97 Kp0+ | 6Kp1 | 7Kp4+ | 8Kp4 | 9Kp4 |
10B4.32 Kp2 | 11Kp1+ | 12B2.03 Kp1 | 13Kp1- | 14Kp1- | 15Kp3- | 16Kp4- |
17Kp2+ | 18Kp1- | 19Kp1- | 20Kp1 | 21Kp0+ | 22Kp0+ | 23Kp2- |
24Kp3 | 25Kp4- | 26Kp4- | 27Kp3+ | 28Kp3- | 29Kp1+ | 30Kp1 |
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
Filaments and prominences 500CME March 1 15AR4378 12AR4381 5Incoming & Unnumbered Active Regions 220
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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 | 2026/02/22 | Kp5+ (G1) |
| Spotless days | |
|---|---|
| Last 365 days | 3 days |
| 2026 | 3 days (5%) |
| Last spotless day | 2026/02/24 |
| Monthly mean Sunspot Number | |
|---|---|
| January 2026 | 112.6 -11.4 |
| March 2026 | 85 -27.6 |
| Last 30 days | 71 -47.7 |