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. |
Wednesday Wed. |
Thursday Thurs. |
Friday Fri. |
Saturday Sat. |
Sunday Sun. |
1M3.9 Kp4- | 2Kp3- | 3B7.8 Kp3- | 4B8.7 Kp3+ | 5C3.8 Kp3+ | 6C1.6 Kp3 | 7C1.1 Kp2+ |
8C1.4 Kp3+ | 9C1 Kp3+ | 10C4 Kp3- | 11M5.47 Kp3- | 12C8.8 Kp2+ | 13M2.41 Kp2 | 14M4.3 Kp2- |
15M4.02 Kp3- | 16M1.1 Kp5+ | 17M1.6 Kp3 | 18M2.2 Kp2- | 19M2.1 Kp7 | 20C7.5 Kp3- | 21M3.43 Kp4 |
22M2.81 Kp2+ | 23M3.64 Kp3- | 24M2 Kp1 | 25M1.3 Kp1- | 26C6.5 Kp5 | 27M3.1 Kp3+ | 28C8.3 Kp4- |
29M3.71 Kp3- | 30M9.53 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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Space weather facts
| Last X-flare | 2026/02/04 | X4.3 |
| Last M-flare | 2026/02/04 | M1.8 |
| Last geomagnetic storm | 2026/01/28 | Kp5+ (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| December 2025 | 124 +32.2 |
| February 2026 | 141.3 +17.3 |
| Last 30 days | 123.1 +14.7 |