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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Thursday Thurs. |
Friday Fri. |
Saturday Sat. |
Sunday Sun. |
1B4.05 Kp5- | 2B4.04 Kp4 | 3C1.13 Kp3- | ||||
4Kp1+ | 5Kp2- | 6C1.43 Kp4- | 7Kp3- | 8Kp2 | 9Kp1+ | 10Kp1 |
11B2.57 Kp1+ | 12B1.6 Kp2- | 13Kp2 | 14Kp1+ | 15B1.57 Kp1 | 16B2.23 Kp1- | 17B1.73 Kp2- |
18B1.43 Kp4 | 19B1.49 Kp2+ | 20B8.98 Kp2+ | 21C3.05 Kp1 | 22B3.53 Kp1+ | 23B6.78 Kp4 | 24C1.24 Kp3- |
25B3.62 Kp5 | 26Kp5- | 27B3.24 Kp3- | 28Kp2- | 29Kp1+ | 30Kp1 | |
Latest news
Friday, 7 February 2025
Coronal hole faces Earth, Minor G1 geomagnetic storm watch
Wednesday, 29 January 2025
Double coronal holes face Earth
Thursday, 16 January 2025
Coronal hole faces Earth
Latest forum messages
AR 3998 23Russell-McPherron Effect 8Filaments and prominences 672Bizarre GOES-19/CCOR-1 images! 2AR 4000 37
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Space weather facts
| Last X-flare | 2025/01/04 | X1.85 |
| Last M-flare | 2025/02/21 | M1.4 |
| Last geomagnetic storm | 2025/02/19 | Kp5 (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| January 2025 | 137 -17.5 |
| February 2025 | 151.4 +14.4 |
| Last 30 days | 148.3 -13.8 |