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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April 2016 |
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Tuesday Tues. |
Wednesday Wed. |
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Friday Fri. |
Saturday Sat. |
Sunday Sun. |
1B1.44 Kp1+ | 2B2.53 Kp5 | 3B2.76 Kp4+ | ||||
4B5.5 Kp3- | 5B6.19 Kp3- | 6C1.98 Kp2+ | 7C2.79 Kp6- | 8C1.65 Kp5- | 9C3.99 Kp1 | 10C2.15 Kp3- |
11C1.99 Kp3 | 12C2.62 Kp5 | 13C4.23 Kp5 | 14C2.62 Kp5- | 15C5.91 Kp4 | 16C8.28 Kp4- | 17C3.5 Kp4 |
18M9.63 Kp2+ | 19C1.5 Kp1 | 20C1.18 Kp1+ | 21B6.35 Kp2- | 22Kp4 | 23B1.45 Kp5- | 24B8.01 Kp4 |
25B3.93 Kp2- | 26C1.11 Kp3- | 27C1.04 Kp3 | 28C2.83 Kp2 | 29B9.24 Kp1 | 30C1.73 Kp3 | |
Latest news
Sunday, 7 December 2025
M8.1 solar flare with earth-directed CME
Monday, 1 December 2025
X1.9 solar flare, Coronal hole faces Earth
Friday, 14 November 2025
X4.0 solar flare
Latest forum messages
AR4294 / 4296 / 4298 445AR4299 M8.1 CME 2025/12/06 323Growth of Cycle 25 977Light pillar 12Current Farside Activity 237
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Space weather facts
| Last X-flare | 2025/12/08 | X1.1 |
| Last M-flare | 2025/12/10 | M1.9 |
| Last geomagnetic storm | 2025/12/04 | Kp5 (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| November 2025 | 91.8 -22.8 |
| December 2025 | 157.7 +65.9 |
| Last 30 days | 108.9 +11.4 |