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. |
Wednesday Wed. |
Thursday Thurs. |
Friday Fri. |
Saturday Sat. |
Sunday Sun. |
1B2.34 Kp4- | 2B2.67 Kp5- | 3B2.63 Kp4+ | 4B5.44 Kp4 | 5Kp3 | 6Kp3- | 7Kp1- |
8B2.37 Kp1+ | 9B3.91 Kp2- | 10C2.7 Kp3- | 11C1.64 Kp2+ | 12C2.47 Kp3 | 13B7.24 Kp0 | 14B5.44 Kp2 |
15C2.16 Kp5 | 16C6.2 Kp5- | 17B1.96 Kp5- | 18B3.17 Kp4 | 19Kp4+ | 20B2.47 Kp3 | 21C3.63 Kp3 |
22B2.37 Kp2- | 23B2.69 Kp2 | 24C1.29 Kp1 | 25C8.97 Kp2- | 26B5.19 Kp1 | 27B4.59 Kp2 | 28B2.77 Kp2+ |
29C5.17 Kp5+ | 30C1.44 Kp4+ | 31C1.1 Kp4 | ||||
Latest news
Saturday, 14 September 2024
X4.5 solar flare with a fast coronal mass ejection
Thursday, 12 September 2024
G3 geomagnetic storm watch due to CME passage
Monday, 12 August 2024
Severe G4 geomagnetic storm
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Space weather facts
| Last X-flare | 2024/09/14 | X4.54 |
| Last M-flare | 2024/09/14 | M3.0 |
| Last geomagnetic storm | 2024/09/17 | Kp8- (G4) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| August 2024 | 215.5 +19 |
| September 2024 | 151.6 -63.9 |
| Last 30 days | 159.7 -53.2 |