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. |
1Kp1+ | ||||||
2B1 Kp5- | 3Kp4- | 4B5.9 Kp2 | 5B1.4 Kp1 | 6B2.5 Kp3- | 7B5.4 Kp3- | 8B1.1 Kp2+ |
9C1.3 Kp2- | 10Kp2+ | 11Kp2+ | 12Kp2- | 13C1.4 Kp2+ | 14Kp1+ | 15Kp3+ |
16B3.4 Kp3 | 17Kp2+ | 18B2.8 Kp3- | 19B2 Kp1+ | 20C3.1 Kp3- | 21B5.1 Kp1+ | 22C1.9 Kp1- |
23B2.1 Kp1 | 24C1.5 Kp2+ | 25C1.1 Kp3+ | 26C4 Kp2 | 27C7.4 Kp4+ | 28M4.79 Kp5 | 29C8.2 Kp4- |
30C3 Kp3- | 31B7.3 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 | 160.2 +42.7 |