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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Monday Mon. |
Tuesday Tues. |
Wednesday Wed. |
Thursday Thurs. |
Friday Fri. |
Saturday Sat. |
Sunday Sun. |
1Kp3+ | 2Kp4- | 3B9.72 Kp2 | 4B4 Kp1 | 5C1.65 Kp4 | 6B4.9 Kp5+ | |
7B3.43 Kp6- | 8B7.72 Kp5+ | 9C2.59 Kp5 | 10M1.06 Kp4- | 11C1.85 Kp2+ | 12C2.44 Kp2- | 13C2.15 Kp3+ |
14C1.56 Kp5- | 15C2.93 Kp2 | 16C1.41 Kp3 | 17C1.19 Kp4+ | 18C1.86 Kp4 | 19C3.32 Kp5- | 20C5.89 Kp2 |
21C3.95 Kp3+ | 22B7 Kp2- | 23B6.59 Kp2 | 24C1.47 Kp3- | 25B4.05 Kp4+ | 26Kp4- | 27Kp4- |
28Kp2- | 29B2.83 Kp3- | 30Kp3- | 31Kp3+ | |||
Latest news
Monday, 13 May 2024
M6.6 solar flare with earth-directed CME
Sunday, 12 May 2024
Small CME impact, Record visitor amount
Saturday, 11 May 2024
Strongest geomagnetic storm since 2003, X5.8 solar flare
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Could Cycle 25 be categorized as "historical"? 9AR 3676 23May 2024 Geomagnetic Storms from AR 13664 (2) 280Latest SC25 Predictions 125AR3664 855
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Space weather facts
| Last X-flare | 2024/05/12 | X1.02 |
| Last M-flare | 2024/05/13 | M1.0 |
| Last geomagnetic storm | 2024/05/12 | Kp7 (G3) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| April 2024 | 136.5 +31.6 |
| May 2024 | 144.3 +7.8 |
| Last 30 days | 175.2 +82.9 |