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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Tuesday Tues. |
Wednesday Wed. |
Thursday Thurs. |
Friday Fri. |
Saturday Sat. |
Sunday Sun. |
1Kp3- | 2Kp3+ | 3Kp3+ | 4Kp4- | 5Kp3+ | 6Kp3 | 7C1.13 Kp2 |
8B8.38 Kp3+ | 9B5.05 Kp3+ | 10B3.34 Kp4 | 11B2.02 Kp3- | 12C1.06 Kp3 | 13B2.13 Kp3 | 14B1.32 Kp2- |
15B5.03 Kp2+ | 16Kp2+ | 17Kp2- | 18Kp1 | 19A9.99 Kp2- | 20C1.07 Kp1+ | 21Kp2- |
22Kp1+ | 23Kp3+ | 24Kp3 | 25Kp2- | 26Kp2- | 27Kp2 | 28Kp2 |
29B1.01 Kp2 | 30Kp2- | |||||
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
Latest forum messages
Comet C/2026 A1 (MAPS) for the southern hemisphere 61AR4413 7Incoming & Unnumbered Active Regions 260Artemis 2 Live 4AR4409 181
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Space weather facts
| Last X-flare | 2026/03/30 | X1.5 |
| Last M-flare | 2026/04/04 | 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 | 122.8 +36.9 |
| Last 30 days | 100.8 +44.4 |
This day in history*
Aurora on this day in history
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