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. |
1Kp2- | 2B2.38 Kp3+ | 3B5.34 Kp4 | ||||
4C3.75 Kp4- | 5C2.04 Kp2 | 6C3.62 Kp2- | 7B3.12 Kp1 | 8B4.5 Kp2+ | 9C1.8 Kp3+ | 10C2.89 Kp3+ |
11B3.82 Kp4- | 12B1.88 Kp3+ | 13C1.54 Kp5 | 14C2.48 Kp4+ | 15B4.21 Kp3 | 16B9.49 Kp3- | 17B6.79 Kp1- |
18B5.21 Kp2+ | 19C2.73 Kp2- | 20M3.76 Kp4- | 21M1.42 Kp3+ | 22M3.11 Kp3- | 23M1.42 Kp2- | 24M3.37 Kp4- |
25C9.81 Kp3+ | 26C3.19 Kp1 | 27C2.48 Kp2- | 28C5.53 Kp1+ | 29C4.95 Kp3 | 30X1.73 Kp4 | 31M3.35 Kp3+ |
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) 50Incoming & Unnumbered Active Regions 225AR4392 (including CMEs) 120CH 31 HSS 26Filaments and prominences 516
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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 |