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. |
1C9.57 Kp4 | 2X1.05 Kp2+ | 3M1.3 Kp2+ | 4C2.39 Kp2 | 5C2.19 Kp2- | ||
6C4.35 Kp3- | 7C2.33 Kp3 | 8C5.46 Kp3 | 9M2.11 Kp4 | 10C4.33 Kp3+ | 11C1.32 Kp3 | 12C3.66 Kp1+ |
13B8.6 Kp3- | 14M3.27 Kp5 | 15Kp4 | 16M6.2 Kp3 | 17C9.55 Kp3 | 18M2.36 Kp4 | 19X1.58 Kp3+ |
20M6.49 Kp5 | 21M1.81 Kp4- | 22X2.39 Kp4- | 23M1.63 Kp3+ | 24X4.58 Kp4- | 25X1.5 Kp3 | 26X2.88 Kp3 |
27X2.96 Kp4 | 28M9.48 Kp4- | 29M3.36 Kp3+ | 30M5.11 Kp2 | 31M1.17 Kp2+ | ||
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
Latest forum messages
Solar Cycle 25 22AR4387 1Available resources & tools / space weather databases 3Unspecified geomagnetic activity 88Solar Demon not being updated 7
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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 (5%) |
| Last spotless day | 2026/02/24 |
| Monthly mean Sunspot Number | |
|---|---|
| February 2026 | 78.2 -34.3 |
| March 2026 | 75 -3.2 |
| Last 30 days | 55.6 -70.1 |