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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Friday Fri. |
Saturday Sat. |
Sunday Sun. |
1C4.69 Kp2- | ||||||
2C3.44 Kp2+ | 3C1.13 Kp4- | 4C2.18 Kp2- | 5C3.12 Kp3- | 6C3.18 Kp3- | 7C3.81 Kp3- | 8C7.08 Kp2 |
9C3.82 Kp3- | 10C2.42 Kp2+ | 11C5.36 Kp3- | 12C4.76 Kp2+ | 13C3.18 Kp3+ | 14M2.11 Kp1- | 15C3.3 Kp3- |
16C9.35 Kp3+ | 17M1.55 Kp3 | 18M2.5 Kp2+ | 19M4.61 Kp1+ | 20C2.06 Kp2 | 21C3.45 Kp2+ | 22M1.03 Kp5- |
23X1.26 Kp5 S3 | 24C3.62 Kp4+ S3 | 25Kp4+ S2 | 26M1.14 Kp3- S1 | 27X2.57 Kp3 S2 | 28C1.53 Kp3- S2 | 29Kp3- S2 |
30C1.88 Kp4- S1 | 31C1.41 Kp2+ S1 | |||||
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 |