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. |
1C1.13 Kp1- | 2B9.58 Kp1 | |||||
3C5.78 Kp1- | 4C1.01 Kp3+ | 5M1.16 Kp5+ | 6M2.02 Kp4- | 7M1.39 Kp1 | 8B4.84 Kp2- | 9B3.83 Kp6 |
10C1.24 Kp4 | 11C3.41 Kp2+ | 12Kp0+ | 13B2.76 Kp4 | 14Kp7 | 15B1.71 Kp5 | 16B2.31 Kp4- |
17B2.95 Kp3+ | 18Kp4 | 19B1.91 Kp2- | 20B3.21 Kp3 | 21B6.52 Kp4 | 22C3.83 Kp5- | 23C1.05 Kp3 |
24C1.5 Kp3- | 25C1.88 Kp3- | 26M1.9 Kp2- | 27X1.13 Kp1+ | 28C3.31 Kp4- | 29C3.4 Kp1- | 30C7.69 Kp0 |
Latest news
Thursday, 11 September 2025
Coronal hole faces Earth
Sunday, 31 August 2025
M2.7 solar flare with earth-directed CME!
Tuesday, 5 August 2025
M4.4 solar flare from sunspot region 4168
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Sunspot region 4274 52AR 14272 38Unspecified geomagnetic activity 3288AR 14273 19Space Weather Memes 752
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Space weather facts
| Last X-flare | 2025/06/19 | X1.9 |
| Last M-flare | 2025/11/04 | M3.5 |
| Last geomagnetic storm | 2025/10/30 | Kp5+ (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| September 2025 | 129.8 -3.7 |
| November 2025 | 51.3 -78.5 |
| Last 30 days | 95.5 -32.8 |