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. |
1C4.85 Kp4 | 2M4.85 Kp3 | 3C4.02 Kp3- | 4M2.91 Kp4- | |||
5X1.64 Kp3+ | 6M3.13 Kp3 | 7X7.79 Kp6 S3 | 8M1.05 Kp5 S3 | 9M9.15 Kp8 S3 | 10X1.22 Kp5- S2 | 11C3.4 Kp3+ S2 |
12C3.38 Kp6+ S1 | 13X1.14 Kp4- S2 | 14M4.03 Kp3 S2 | 15M2.65 Kp6+ S1 | 16C2.63 Kp5 | 17M2 Kp5 | 18C2.73 Kp4 |
19C5.06 Kp4- | 20B6.09 Kp2 | 21C4.14 Kp2+ | 22C1.57 Kp4 | 23M1.48 Kp3 | 24M1.03 Kp4+ | 25C4.33 Kp2- |
26C3.88 Kp1+ | 27C7.71 Kp5 | 28C2.13 Kp5- | 29M1.11 Kp2+ | 30C1.83 Kp3- | 31C1.26 Kp2+ | |
Latest news
Monday, 1 December 2025
X1.9 solar flare, Coronal hole faces Earth
Friday, 14 November 2025
X4.0 solar flare
Tuesday, 11 November 2025
X5.1 solar flare, G4 geomagnetic storm watch
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Space weather facts
| Last X-flare | 2025/12/01 | X1.9 |
| Last M-flare | 2025/12/04 | M6.0 |
| 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 | 175.4 +83.6 |
| Last 30 days | 107.3 +14.6 |