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. |
1C2.39 Kp1 | 2M1.08 Kp3- | 3M1.44 Kp4- | 4C6.47 Kp3 | 5C9.73 Kp3 | 6C7.9 Kp2 | 7C2.97 Kp2 |
8C7.37 Kp4 | 9M2.66 Kp2 | 10M5.01 Kp3 | 11C2.11 Kp3- | 12C3 Kp3+ | 13C4.89 Kp3- | 14M1.17 Kp3- |
15M1.35 Kp3 | 16C3.47 Kp3 | 17C5.74 Kp3 | 18C4.27 Kp2 | 19M1.73 Kp2 | 20X1.1 Kp3+ | 21M1.59 Kp4 |
22C4.1 Kp4- | 23C6.21 Kp5- | 24M1.56 Kp5- | 25M1.06 Kp3- | 26M1.5 Kp4- | 27C4.5 Kp2+ | 28M2.27 Kp3 S1 |
29C8.27 Kp5 S1 | 30C5.37 Kp2 S1 | 31C1.87 Kp4 | ||||
Latest news
Monday, 30 March 2026
X1.5 solar flare
Tuesday, 17 March 2026
M2.7 solar flare, CME arrival possible
Sunday, 1 February 2026
Complex sunspot region 4366
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Space weather facts
| 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 | 85.9 -0 |
| Last 30 days | 92.1 +30.2 |
