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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September 2004 |
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Monday Mon. |
Tuesday Tues. |
Wednesday Wed. |
Thursday Thurs. |
Friday Fri. |
Saturday Sat. |
Sunday Sun. |
1B4.93 Kp2+ | 2B9.26 Kp2+ | 3Kp1+ | 4Kp1 | 5Kp3+ | ||
6C1.18 Kp4- | 7C4.01 Kp3+ | 8C2.26 Kp3 | 9C4.57 Kp2 | 10C9.93 Kp1 | 11C2.37 Kp1 | 12M6.94 Kp1+ |
13C2.03 Kp4+ S2 | 14M2.17 Kp5+ S2 | 15C3.87 Kp5- S1 | 16C1.24 Kp4- | 17B4.54 Kp5- | 18C1.47 Kp5 | 19M2.82 Kp3 S1 |
20C3.01 Kp5- S1 | 21M1.08 Kp3 | 22C4.67 Kp4+ | 23C2.09 Kp4+ | 24B7.78 Kp2+ | 25B1.59 Kp2- | 26B3.14 Kp2- |
27B1.68 Kp2 | 28B2.76 Kp3- | 29B2.24 Kp2+ | 30Kp2- | |||
Latest news
Thursday, 21 November 2024
Major far side eruption, S1 radiation storm
Monday, 11 November 2024
Coronal hole faces Earth
Friday, 1 November 2024
X2.0 solar flare
Latest forum messages
>500 meV 22AR 3906 7Suggestion - Can admins automatically generate "official" AR topic threads as the regions appear and are numbered? 2Comment limitation 6Incoming & Unnumbered Active Regions 1257
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Space weather facts
| Last X-flare | 2024/11/06 | X2.39 |
| Last M-flare | 2024/11/23 | M1.1 |
| Last geomagnetic storm | 2024/11/10 | Kp5+ (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| October 2024 | 166.4 +25 |
| November 2024 | 144.1 -22.3 |
| Last 30 days | 158.7 +10.9 |