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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Tuesday Tues. |
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
Sunday, 8 December 2024
X2.2 solar flare, SDO outage
Thursday, 21 November 2024
Major far side eruption, S1 radiation storm
Monday, 11 November 2024
Coronal hole faces Earth
Latest forum messages
Incoming & Unnumbered Active Regions 135850 mhz F2 51AR 13932 13Power transmission for all of us. And why I believe we are better prepared than ever for major solar events 11Strong far side CME 335
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Space weather facts
| Last X-flare | 2024/12/08 | X2.2 |
| Last M-flare | 2024/12/23 | M1.0 |
| Last geomagnetic storm | 2024/12/17 | Kp5+ (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| November 2024 | 152.5 -13.9 |
| December 2024 | 106.6 -45.9 |
| Last 30 days | 116.1 -41.8 |