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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Monday Mon. |
Tuesday Tues. |
Wednesday Wed. |
Thursday Thurs. |
Friday Fri. |
Saturday Sat. |
Sunday Sun. |
1M2.1 Kp2- | 2C4.7 Kp1+ | 3M1.5 Kp1+ | 4M1.4 Kp3 | 5C9.3 Kp3 | 6M1.0 Kp1 | 7M2.4 Kp3- |
8M1.1 Kp3+ | 9C6.7 Kp2+ | 10M1.5 Kp2- | 11M1.23 Kp2 | 12C6.5 Kp2 | 13M5.35 Kp1+ | 14X1.2 Kp1+ |
15M2.7 Kp3 | 16X2.00 Kp3+ | 17M5.05 Kp2+ | 18M2.24 Kp1+ | 19M3.21 Kp1+ | 20M1.8 Kp3- | 21M3.2 Kp2- |
22M3.97 Kp3 | 23M2.4 Kp3- S1 | 24M3.64 Kp2- | 25M1.3 Kp3+ | 26M1.7 Kp5 | 27M4.21 Kp4 | 28M9.92 Kp3- |
29X1.57 Kp2 | 30M9.51 Kp5+ | 31M7.75 Kp5- | ||||
Latest news
Saturday, 5 October 2024
Incoming CME, G3 geomagnetic storm watch
Thursday, 3 October 2024
X9.0 solar flare! Strongest flare of Solar Cycle 25!
Wednesday, 2 October 2024
X7.1 solar flare with earth-directed CME
Latest forum messages
AR13842 2024/10/01 & /03 CMEs 727AR 3848 26Suggestion: New forum notifications icon on main SWL page 53Space Weather Memes 513AR 3842 858
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Space weather facts
| Last X-flare | 2024/10/03 | X9.0 |
| Last M-flare | 2024/10/06 | M1.0 |
| Last geomagnetic storm | 2024/09/25 | Kp5 (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| September 2024 | 141.4 -74.1 |
| October 2024 | 194.4 +53 |
| Last 30 days | 152.7 -39.9 |