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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August 1997 |
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Monday Mon. |
Tuesday Tues. |
Wednesday Wed. |
Thursday Thurs. |
Friday Fri. |
Saturday Sat. |
Sunday Sun. |
1Kp2+ | 2B2.31 Kp2+ | 3Kp5 | ||||
4Kp3- | 5Kp1+ | 6B6.4 Kp1+ | 7B4.49 Kp2+ | 8B2.36 Kp2 | 9M1.13 Kp3 | 10C6.07 Kp3- |
11C7.33 Kp3+ | 12B4.64 Kp3 | 13B4.71 Kp4- | 14C1.35 Kp5- | 15B1.8 Kp2+ | 16B2.14 Kp3- | 17B5.19 Kp4- |
18B2.04 Kp3 | 19Kp2- | 20Kp2+ | 21B4.7 Kp3+ | 22Kp3- | 23B4.1 Kp2- | 24B5.13 Kp2+ |
25C2.03 Kp2 | 26C5.99 Kp1- | 27B2.5 Kp2- | 28C1.2 Kp4+ | 29M1.93 Kp4 | 30C2.56 Kp3 | 31C3.93 Kp1 |
Latest news
Tuesday, 15 April 2025
CME arrival, G3 storm watch
Friday, 28 March 2025
X1.1 solar flare
Monday, 24 March 2025
Coronal hole faces Earth
Latest forum messages
Incoming & Unnumbered Active Regions 1765Line chart of indicators on the auror video, animated graph trace 23AR4064 17Coronal holes 712025/04/12-13 Filament CMEs 2025/04/16 G3 Watch 544
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Space weather facts
| Last X-flare | 2025/03/28 | X1.1 |
| Last M-flare | 2025/04/18 | M4.4 |
| Last geomagnetic storm | 2025/04/16 | Kp8- (G4) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| March 2025 | 134.2 -20.4 |
| April 2025 | 120.1 -14.1 |
| Last 30 days | 116.4 -25.9 |