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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December 2024 |
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1C5.4 Kp3- | ||||||
2C4.9 Kp2+ | 3C6.1 Kp3+ | 4M2.3 Kp2 | 5M2.5 Kp2+ | 6M1.22 Kp2+ | 7M3.2 Kp2- | 8X2.2 Kp2+ |
9C8.4 Kp4+ | 10M6.46 Kp2+ | 11M6.7 Kp2 | 12M2.2 Kp2+ | 13M2.1 Kp2- | 14C5.9 Kp3+ | 15M3.11 Kp3 |
16C4.4 | 17C5.8 | 18C8.2 | 19M3.81 | 20M2.5 | 21M1.9 | 22M1.1 |
23M9.05 | 24M4.8 | 25M4.9 | 26M7.34 | 27M3.3 | 28M4.5 | 29X1.11 |
30X1.59 | 31M2.91 | |||||
Latest news
Saturday, 4 January 2025
Sunspot region 3947, X-class solar flares
Monday, 30 December 2024
Two earth-directed coronal mass ejections
Sunday, 29 December 2024
Strong G3 geoamagnetic storm watch issued
Latest forum messages
correcting common misconceptions about space weather 7Can someone validate these sun spots? 4AR 3947 125Unspecified geomagnetic activity 1818Unexplained proton activity 38
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Space weather facts
| Last X-flare | 2025/01/04 | X1.85 |
| Last M-flare | 2025/01/05 | M4.1 |
| 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 | 179.8 +25.3 |
| Last 30 days | 146.1 +17.3 |