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. |
1Kp2+ | 2Kp1+ | 3B3.96 Kp2 | ||||
4B4.18 Kp6 | 5C1.7 Kp7 | 6C2.31 Kp4- | 7B8.09 Kp3- | 8Kp2+ | 9C1.18 Kp2- | 10C1.18 Kp1 |
11C1.48 Kp4 | 12C2.88 Kp5 | 13Kp5 | 14B4.18 Kp4+ | 15Kp4- | 16C1.11 Kp3 | 17C6.71 Kp2+ |
18B5.37 Kp3- | 19C1.15 Kp3- | 20Kp5- | 21Kp2- | 22B1.6 Kp3 | 23B4.5 Kp2+ | 24B8.24 Kp3 |
25C1.03 Kp3+ | 26C7.66 Kp1 | 27B6.22 Kp1+ | 28C4.32 Kp1+ | 29C2.46 Kp4- | 30C1.52 Kp5 | |
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| Last X-flare | 2026/03/30 | X1.5 |
| Last M-flare | 2026/04/09 | M1.0 |
| Last geomagnetic storm | 2026/04/03 | Kp7- (G3) |
| Spotless days | |
|---|---|
| Last 365 days | 3 days |
| 2026 | 3 days (3%) |
| Last spotless day | 2026/02/24 |
| Monthly mean Sunspot Number | |
|---|---|
| March 2026 | 85.9 +7.7 |
| April 2026 | 114.3 +28.4 |
| Last 30 days | 102.4 +48.5 |