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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Tuesday Tues. |
Wednesday Wed. |
Thursday Thurs. |
Friday Fri. |
Saturday Sat. |
Sunday Sun. |
1B8.6 Kp4- | 2C1.7 Kp4 | 3C1.9 Kp2 | ||||
4B9.4 Kp3- | 5B1.7 Kp3- | 6B7.9 Kp3 | 7C5.5 Kp1+ | 8C2.8 Kp2 | 9M1.6 Kp2- | 10C2.3 Kp5- |
11B4.6 Kp4- | 12B9.5 Kp6+ | 13C1.3 Kp3+ | 14C2.2 Kp2+ | 15B9.9 Kp2+ | 16B1.6 Kp3 | 17B1.8 Kp4 |
18B1.2 Kp3+ | 19Kp4 | 20B4.8 Kp2+ | 21B8.9 Kp2 | 22B9.7 Kp2- | 23B6.3 Kp2- | 24B6.2 Kp2- |
25C8.5 Kp2+ | 26M1.3 Kp2+ | 27C8.6 Kp1 | 28X1.0 Kp1+ S1 | 29M1.5 Kp1+ S1 | 30C3.9 Kp4- S1 | 31C3.2 Kp4 |
Latest news
Friday, 1 November 2024
X2.0 solar flare
Wednesday, 9 October 2024
X1.8 solar flare, severe geomagnetic storm watch
Tuesday, 8 October 2024
Double X-flares, glancing blow possible
Latest forum messages
AR 13883 87Incoming & Unnumbered Active Regions 1180Space Weather Memes 556AR13883 2024/11/04 CME 12AR 13886 6
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Space weather facts
| Last X-flare | 2024/10/31 | X2.0 |
| Last M-flare | 2024/11/05 | M2.6 |
| Last geomagnetic storm | 2024/10/12 | Kp5 (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| September 2024 | 141.4 -74.1 |
| November 2024 | 215.8 +74.4 |
| Last 30 days | 161.1 +7.2 |