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. |
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Friday Fri. |
Saturday Sat. |
Sunday Sun. |
1X1.43 Kp2+ | 2M2.01 Kp2+ | |||||
3M4.81 Kp4+ | 4M2.4 Kp3- | 5M3.5 Kp2+ | 6M6.12 Kp2 | 7M4 Kp6+ | 8M9.75 Kp5- S3 | 9M1.6 Kp2 S1 |
10X1.55 Kp4 | 11C9.1 Kp4 | 12M1.2 Kp1+ | 13M3.22 Kp1 | 14M2.4 Kp2+ | 15M1.3 Kp5- | 16C6.7 Kp4 |
17M1.5 Kp3+ | 18M2.4 Kp3+ | 19M1.1 Kp3+ | 20M5.76 Kp2+ | 21C6.6 Kp1+ | 22M2.8 Kp1+ | 23M9.36 Kp3+ |
24M1.8 Kp2- | 25M1 Kp3- | 26C6.2 Kp3- | 27C6.5 Kp3+ | 28C3.8 Kp8- | 29C5.8 Kp4 | 30C3.8 Kp4- |
Latest news
Friday, 14 November 2025
X4.0 solar flare
Tuesday, 11 November 2025
X5.1 solar flare, G4 geomagnetic storm watch
Monday, 10 November 2025
X1.2 solar flare with earth-directed CME
Latest forum messages
AR4274 X4.0 CME discussion 58AR 14274 CMES (featuring X5 full halo) 1421Space Weather Analyst 8Sunspot region 4274 808Filaments and prominences 384
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Space weather facts
| Last X-flare | 2025/11/14 | X4.0 |
| Last M-flare | 2025/11/14 | M1.3 |
| Last geomagnetic storm | 2025/11/13 | Kp7+ (G3) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| October 2025 | 114.6 -15.2 |
| November 2025 | 101 -13.6 |
| Last 30 days | 97.2 -37.2 |