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. |
1B2.24 Kp1 | 2Kp2 | 3Kp1+ | 4Kp1+ | 5Kp6- | 6A1.57 Kp6- | |
7Kp4 | 8Kp4- | 9Kp4 | 10A1.57 Kp3+ | 11Kp4- | 12Kp4- | 13Kp2+ |
14Kp2 | 15Kp1+ | 16Kp1+ | 17Kp3 | 18Kp2- | 19Kp1 | 20Kp1 |
21Kp1 | 22C1.28 Kp2 | 23C2.86 Kp3+ | 24C1.4 Kp1+ | 25B5.32 Kp1+ | 26B1.86 Kp1+ | 27B1.55 Kp1+ |
28C3.93 Kp2- | 29B3.81 Kp2- | 30B1.76 Kp2- | 31B7.07 Kp4+ | |||
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 |