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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Sunday Sun. |
1Kp5 | 2Kp4+ | 3Kp4+ | 4B1.74 Kp3+ | 5Kp4- | ||
6B1.6 Kp4- | 7Kp3- | 8A9.38 Kp2- | 9C1.89 Kp2+ | 10Kp2+ | 11Kp3- | 12B1.6 Kp2- |
13B2.06 Kp2+ | 14Kp1- | 15B2.71 Kp1+ | 16Kp3+ | 17B1.76 Kp4+ | 18B3.82 Kp4+ | 19B3.78 Kp3+ |
20C1.02 Kp3+ | 21B3.8 Kp2 | 22C5.92 Kp4- | 23C1.88 Kp3+ | 24C1.52 Kp5- | 25Kp3- | 26B4.01 Kp1 |
27C1.28 Kp3 | 28C1.05 Kp3- | |||||
Latest news
Thursday, 16 January 2025
Coronal hole faces Earth
Saturday, 4 January 2025
Sunspot region 3947, X-class solar flares
Monday, 30 December 2024
Two earth-directed coronal mass ejections
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Space weather facts
| Last X-flare | 2025/01/04 | X1.85 |
| Last M-flare | 2025/01/21 | M3.3 |
| Last geomagnetic storm | 2025/01/04 | Kp5 (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| December 2024 | 154.5 +2 |
| January 2025 | 140 -14.6 |
| Last 30 days | 160.7 +43.5 |