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. |
1C9.36 Kp4 | ||||||
2C1.69 Kp4+ | 3C1.94 Kp4- | 4C1.31 Kp2+ | 5B5.85 Kp3 | 6B5.28 Kp2- | 7B4.44 Kp2 | 8B5.99 Kp1 |
9C7.77 Kp1+ | 10Kp3+ | 11C1.14 Kp3- | 12C2.85 Kp1+ | 13B2.9 Kp1 | 14B2.71 Kp2- | 15C6.93 Kp4- |
16B7.9 Kp4- | 17B7.37 Kp3 | 18C2.93 Kp2 | 19B4.81 Kp1+ | 20Kp1- | 21B3.69 Kp2 | 22B1.53 Kp2+ |
23B2.56 Kp2- | 24B2.66 Kp2+ | 25C2 Kp1 | 26B5.95 Kp2+ | 27C8.09 Kp3+ | 28M1.67 Kp6+ | 29M2.02 Kp5+ |
30M1.02 Kp3- | 31C2.68 Kp4- | |||||
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) 45AR4392 (including CMEs) 120CH 31 HSS 26Filaments and prominences 516Growth of Cycle 25 987
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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 | 2026/03/14 | Kp6 (G2) |
| 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 | 80.1 +1.9 |
| Last 30 days | 62.9 -47.9 |