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. |
1Kp2 | 2C1.34 Kp1 | 3B4.81 Kp2 | 4Kp5- | |||
5Kp4+ | 6B8.07 Kp2 | 7B8.42 Kp1+ | 8B7.29 Kp2- | 9C2.83 Kp2+ | 10B6.05 Kp2+ | 11M1.21 Kp1+ |
12M2.18 Kp3 | 13C6.56 Kp3+ | 14C7.09 Kp4- | 15C3.01 Kp4- | 16C3.68 Kp5+ | 17M4.73 Kp2+ | 18C2.25 Kp2 |
19C3.13 Kp2- | 20C2.6 Kp2+ | 21C3.19 Kp4+ | 22C5.92 Kp4- | 23C2.01 Kp4+ | 24Kp2+ | 25Kp2 |
26Kp2 | 27C1.05 Kp5 | 28Kp4 | 29C1.76 Kp1- | 30M1.19 Kp4 | 31C3.72 Kp4 | |
Latest news
Saturday, 11 May 2024
Strongest geomagnetic storm since 2003, X5.8 solar flare
Saturday, 11 May 2024
Extreme G5 geomagnetic storm
Friday, 10 May 2024
Severe G4 geomagnetic storm
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Space weather facts
| Last X-flare | 2024/05/11 | X1.5 |
| Last M-flare | 2024/05/11 | M1.2 |
| Last geomagnetic storm | 2024/05/10 | Kp9 (G5) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| April 2024 | 136.5 +31.6 |
| May 2024 | 139.8 +3.3 |
| Last 30 days | 173.6 +82.2 |