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. |
1C7.3 Kp4+ | 2C1.89 Kp3+ | |||||
3C3.49 Kp5+ | 4B9.57 Kp5 | 5C1.41 Kp4 | 6C1.13 Kp5- | 7C1.36 Kp4 | 8C3.74 Kp3+ | 9C6.37 Kp4- |
10C2.27 Kp4 | 11C1.73 Kp4- | 12C1.21 Kp3+ | 13C1.94 Kp4 | 14C1.32 Kp5+ | 15M1.21 Kp5 | 16C4.39 Kp6 |
17X2.27 Kp6- | 18X2.2 Kp5- | 19M5.34 Kp4 | 20M2.21 Kp5- | 21C2.7 Kp5 | 22C3.43 Kp4 | 23C2.8 Kp5 |
24C2.96 Kp3- | 25C1.31 Kp1+ | 26C3.17 Kp3 | 27C5.14 Kp5- | 28C1.17 Kp6- | 29M1.18 Kp5+ | 30C5.19 Kp6- |
31C2.59 Kp6+ | ||||||
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
CMes from ar 4392 (19-21st of march) 189Aurora photography hints for those of us with smartphones 77Filaments and prominences 517Current Farside Activity 424What, no CH/HSS thread? 57
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Space weather facts
| Last X-flare | 2026/02/04 | X4.21 |
| Last M-flare | 2026/03/18 | M2.7 |
| Last geomagnetic storm | 2026/03/20 | Kp7- (G3) |
| 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 | 77.5 -0.7 |
| Last 30 days | 63.5 -42.2 |