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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Monday Mon. |
Tuesday Tues. |
Wednesday Wed. |
Thursday Thurs. |
Friday Fri. |
Saturday Sat. |
Sunday Sun. |
1M1.37 Kp4- | 2M1.2 Kp3 | |||||
3C1.56 Kp2+ | 4B6.12 Kp3 | 5B7.82 Kp4 | 6B2.13 Kp3- | 7C1.54 Kp4 | 8B3.75 Kp3- | 9B4.91 Kp2+ |
10B6.36 Kp3- | 11B1.51 Kp4 | 12C1.89 Kp5- | 13M1.11 Kp4+ | 14B7.02 Kp2+ | 15C3.18 Kp3+ | 16B7.61 Kp2- |
17M1.01 Kp2 | 18C4.64 Kp1+ | 19C3.19 Kp4- | 20C5.41 Kp4+ | 21M3.73 Kp4- | 22C3.2 Kp3+ | 23C4.18 Kp3 |
24C6.6 Kp3+ | 25C1.29 Kp2- | 26C1.18 Kp1+ | 27C1.65 Kp2- | 28C6 Kp3- | 29C1.15 Kp4- | 30C1.75 Kp4- |
31C9.41 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) 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 |