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. |
1Kp3+ | ||||||
2Kp3+ | 3B2.75 Kp3 | 4B3.08 Kp2+ | 5C1.54 Kp3+ | 6C1.39 Kp3- | 7B6.74 Kp2- | 8B6.75 Kp2- |
9B1.61 Kp2 | 10Kp2 | 11Kp5- | 12Kp5 | 13Kp6- | 14Kp5 | 15Kp5+ |
16Kp3 | 17Kp2- | 18Kp2+ | 19Kp4- | 20M1.59 Kp4- | 21B4.32 Kp3 | 22B2.77 Kp3 |
23Kp2+ | 24Kp5- | 25Kp5- | 26Kp4+ | 27B2.19 Kp2 | 28Kp2 | 29Kp2- |
30Kp1 | 31Kp2- | |||||
Latest news
Tuesday, 17 March 2026
M2.7 solar flare, CME arrival possible
Sunday, 1 February 2026
Complex sunspot region 4366
Monday, 19 January 2026
CME impact! S4 solar radiation storm
Latest forum messages
Photographing auroras 232SDO Imagery is not updated? 5AR4401 49Incoming & Unnumbered Active Regions 243Current Farside Activity 437
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Space weather facts
| Last X-flare | 2026/02/04 | X4.21 |
| Last M-flare | 2026/03/26 | M4.0 |
| Last geomagnetic storm | 2026/03/25 | 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 | 80.2 +2 |
| Last 30 days | 77.8 -4.5 |