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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August 2004 |
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Wednesday Wed. |
Thursday Thurs. |
Friday Fri. |
Saturday Sat. |
Sunday Sun. |
1B3.78 Kp4- | ||||||
2C5.6 Kp3- | 3C1.36 Kp2- | 4B4.07 Kp1+ | 5B4.77 Kp3- | 6B5.35 Kp3- | 7B7.32 Kp4 | 8C3.99 Kp1+ |
9C7.3 Kp4+ | 10C1.73 Kp4 | 11M1.09 Kp3+ | 12M1.72 Kp3 | 13X1.55 Kp3- | 14X1.06 Kp3- | 15X1.34 Kp3- |
16M1.66 Kp2 | 17M3.46 Kp4- | 18X2.6 Kp3 | 19M4.41 Kp2- | 20C4.02 Kp4- | 21B5.37 Kp4 | 22B4.94 Kp3+ |
23B9.8 Kp2 | 24C1.1 Kp1+ | 25C1.97 Kp1+ | 26C2.68 Kp2+ | 27B2.68 Kp3- | 28B2.58 Kp3+ | 29B6.59 Kp2- |
30C3.48 Kp7 | 31M2.04 Kp5+ | |||||
Latest news
Saturday, 4 May 2024
Sunspot region 3663, X1 solar flare
Monday, 22 April 2024
Lot's of sunspots! Big chance for major flare activity?
Saturday, 23 March 2024
X1.1 solar flare with earth-directed CME
Latest forum messages
2024/05/03 X1.69 CME 22AR3663 167Space Weather Memes 344Weakening of Earths magnetic field due to geomagnetic excursion 14Unspecified geomagnetic activity 1021
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Space weather facts
| Last X-flare | 2024/05/05 | X1.2 |
| Last M-flare | 2024/05/05 | M1.3 |
| Last geomagnetic storm | 2024/05/02 | Kp7- (G3) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| April 2024 | 136.5 +31.6 |
| Last 30 days | 156.8 +63.8 |