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. |
1M1.11 Kp3 | 2C9.1 Kp4- | 3C4.83 Kp3- | ||||
4C7.17 Kp4- | 5C4.04 Kp4 | 6C3.37 Kp2+ | 7C5.67 Kp2+ | 8C9.19 Kp3 | 9C3.17 Kp3 | 10C2.94 Kp6- |
11C2.83 Kp5 | 12C4.19 Kp5+ | 13C4.11 Kp5- | 14X2.63 Kp5 | 15M1.06 Kp5 | 16C5.43 Kp5- | 17C5.46 Kp5- |
18C9.44 Kp2+ | 19M1.25 Kp3 | 20M2.46 Kp1 | 21C8.84 Kp5 | 22C6.9 Kp8 | 23C7.64 Kp5+ | 24C3.11 Kp5- |
25M2.5 Kp4- | 26M5.36 Kp3- | 27M2.59 Kp5- | 28C2.51 Kp5+ | 29C3.6 Kp3- | 30C2.53 Kp2+ | 31M1.09 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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AR4381 15Solar cycle 25, solar maximum, is it over? 57Unspecified geomagnetic activity 92JHelioviewer Tips and Settings 44Filaments and prominences 505
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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 | 74.8 -3.4 |
| Last 30 days | 52.1 -75.8 |