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 1998 |
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Tuesday Tues. |
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Thursday Thurs. |
Friday Fri. |
Saturday Sat. |
Sunday Sun. |
1C4.74 Kp6- | 2C2.56 Kp2+ | |||||
3B8.2 Kp2+ | 4B6.5 Kp3- | 5C1.79 Kp2+ | 6C4.13 Kp7+ | 7C6.87 Kp6 | 8M4.29 Kp3- | 9M4.8 Kp1+ |
10C2.49 Kp4- | 11C2.04 Kp3 | 12C1.91 Kp3 | 13M1.37 Kp3- | 14M4.44 Kp3- | 15M1.09 Kp2+ | 16M4.54 Kp1+ |
17X1.79 Kp1+ | 18X7.03 Kp2 | 19X5.57 Kp4 | 20C8.27 Kp4 | 21C7.37 Kp3 | 22X1.29 Kp4+ | 23M3.2 Kp4 |
24X1.57 Kp3 S1 | 25Kp4- S2 | 26C1.37 Kp6+ S2 | 27C4.29 Kp8 S1 | 28C2.64 Kp5 S1 | 29C7.69 Kp5+ S1 | 30M1.97 Kp4- |
31M2.27 Kp4 | ||||||
Latest news
Sunday, 7 December 2025
M8.1 solar flare with earth-directed CME
Monday, 1 December 2025
X1.9 solar flare, Coronal hole faces Earth
Friday, 14 November 2025
X4.0 solar flare
Latest forum messages
Unspecified geomagnetic activity 43Incoming & Unnumbered Active Regions 43Filaments and prominences 415Current Farside Activity 258Coronal Hole 06 59
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Space weather facts
| Last X-flare | 2025/12/08 | X1.1 |
| Last M-flare | 2025/12/19 | M1.0 |
| Last geomagnetic storm | 2025/12/12 | Kp5 (G1) |
| Spotless days | |
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| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
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| November 2025 | 91.8 -22.8 |
| December 2025 | 125.7 +33.9 |
| Last 30 days | 111.4 +22.1 |