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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March 1999 |
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Monday Mon. |
Tuesday Tues. |
Wednesday Wed. |
Thursday Thurs. |
Friday Fri. |
Saturday Sat. |
Sunday Sun. |
1C4.46 Kp6- | 2C9.03 Kp6- | 3C6.54 Kp5- | 4C4.86 Kp5 | 5C5.31 Kp5- | 6C3.87 Kp5- | 7C4.26 Kp5- |
8M3.73 Kp4+ | 9C4.7 Kp4+ | 10C2.34 Kp6+ | 11M1.25 Kp4- | 12M1.35 Kp3+ | 13M2.83 Kp3+ | 14M3.06 Kp4 |
15M1.7 Kp4+ | 16M8.97 Kp1+ | 17M4.71 Kp3- | 18M4.79 Kp2+ | 19C7.03 Kp3 | 20Kp2 | 21C1.5 Kp3- |
22C2.09 Kp2- | 23B5.09 Kp2+ | 24B4.89 Kp2 | 25Kp3+ | 26B5.04 Kp3- | 27Kp2+ | 28B3.39 Kp2+ |
29C2.03 Kp6- | 30B4.8 Kp4 | 31B6.24 Kp4+ | ||||
Latest news
Monday, 11 November 2024
Coronal hole faces Earth
Friday, 1 November 2024
X2.0 solar flare
Wednesday, 9 October 2024
X1.8 solar flare, severe geomagnetic storm watch
Latest forum messages
AR 13901 85Sunspot Latitudes at or near Solar Maximum 76Incoming & Unnumbered Active Regions 1244The Rotations of AR 13780 and AR 13902 1Space Weather Memes 580
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Space weather facts
| Last X-flare | 2024/11/06 | X2.39 |
| Last M-flare | 2024/11/20 | M1.1 |
| Last geomagnetic storm | 2024/11/10 | Kp5+ (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| October 2024 | 166.4 +25 |
| November 2024 | 142.7 -23.8 |
| Last 30 days | 155.2 +4.4 |