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. |
1Kp4- | 2B1.14 Kp4- | 3Kp2+ | 4Kp2- | 5Kp3 | 6Kp3 | 7Kp5+ |
8Kp4+ | 9Kp4- | 10B1.98 Kp5- | 11Kp3 | 12C1.02 Kp2- | 13B3.34 Kp4+ | 14Kp2 |
15Kp3 | 16Kp2 | 17Kp2- | 18Kp0+ | 19Kp1- | 20Kp0+ | 21Kp2 |
22Kp3- | 23Kp1 | 24Kp1+ | 25Kp2 | 26Kp2+ | 27Kp2- | 28Kp1+ |
29A1.43 Kp0+ | 30Kp2 | 31Kp2- | ||||
Latest news
Sunday, 1 February 2026
Complex sunspot region 4366
Monday, 19 January 2026
CME impact! S4 solar radiation storm
Sunday, 18 January 2026
X1.9 solar flare with earth-directed CME
Latest forum messages
JHelioviewer Tips and Settings 40AR4366 609X8 CME 1X1.9 CME 1359New satellites - Proba-3, PUNCH, SWFO-L1, GOES-U/19 71
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Space weather facts
| Last X-flare | 2026/02/02 | X1.6 |
| Last M-flare | 2026/02/02 | M2.5 |
| Last geomagnetic storm | 2026/01/28 | Kp5+ (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| December 2025 | 124 +32.2 |
| February 2026 | 114 -10 |
| Last 30 days | 118.1 +6.2 |