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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Tuesday Tues. |
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Thursday Thurs. |
Friday Fri. |
Saturday Sat. |
Sunday Sun. |
1C3.02 Kp2+ | 2C1.73 Kp4 | 3M1.64 Kp5- | 4M1.86 Kp5 | |||
5M1.07 Kp5+ | 6M1.39 Kp4- | 7C6.12 Kp6+ | 8C6.06 Kp4 | 9M1.38 Kp2+ | 10C4.8 Kp3+ | 11C6.03 Kp3 |
12M1.01 Kp3- | 13M8.1 Kp3- | 14M3.19 Kp3- | 15C3.77 Kp3 | 16C2.63 Kp3 | 17Kp3 | 18C1.49 Kp2+ |
19C4.78 Kp2+ | 20C4.24 Kp1+ | 21M1.42 Kp4- | 22M2.03 Kp4- | 23C6.19 Kp3 | 24C2.94 Kp2+ | 25C1.62 Kp3- |
26M1.61 Kp4 | 27C8.14 Kp3+ | 28M2.09 Kp3 | 29M3.03 Kp4- | 30M3.48 Kp3+ | 31C2.32 Kp4- | |
Latest news
Sunday, 1 February 2026
Complex sunspot region 4366
Monday, 19 January 2026
CME impact! S4 solar radiation storm
Sunday, 18 January 2026
X1.9 solar flare with earth-directed CME
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AR4387 / AR4389 / AR4391 9Solar cycle 25, solar maximum, is it over? 59Comet C/2026 A1 (MAPS) for the southern hemisphere 12Available resources & tools / space weather databases 11JHelioviewer Tips and Settings 45
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Space weather facts
| Last X-flare | 2026/02/04 | X4.21 |
| Last M-flare | 2026/02/25 | M2.4 |
| Last geomagnetic storm | 2026/03/03 | 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 | 74.4 -3.8 |
| Last 30 days | 51.7 -77.2 |