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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May 2026 |
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Wednesday Wed. |
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Friday Fri. |
Saturday Sat. |
Sunday Sun. |
1C7.4 Kp4+ | 2C8.7 Kp3- | 3C3.6 Kp3 | ||||
4M1.89 Kp6 | 5C6 Kp5- | 6C1.4 Kp1- | 7M2.6 Kp4- | 8C4.2 Kp3+ | 9C2.3 Kp2 | 10M5.7 Kp2 |
11C1.8 Kp2 | 12C2 Kp1 | 13C2.3 Kp3 | 14C5.5 Kp3- | 15C9.6 Kp6 | 16M1.9 Kp6- | 17M1.4 Kp2+ |
18C1.9 Kp3- | 19C2.1 Kp4 | 20C1 Kp3 | 21C9.6 Kp3- | 22M2.3 Kp2+ | 23C5.5 Kp1 | 24C3.7 Kp2+ |
25C3.7 Kp3- | 26C9.7 Kp4- S1 | 27C3.4 Kp3 | 28C3.1 Kp4- | 29M1.1 Kp4 | 30C4.7 Kp4 | 31C3.1 Kp3+ |
Latest news
Thursday, 4 June 2026
G3 geomagnetic storm watch for 4 and 5 June
Wednesday, 13 May 2026
Coronal hole faces Earth
Monday, 30 March 2026
X1.5 solar flare
Latest forum messages
M1.89 CME (06-06-2026) 91Incoming & Unnumbered Active Regions 462Substorm prediction after CME arrival. 9Space Weather Memes 842AR4459 6
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Space weather facts
| Last X-flare | 2026/06/03 | X1.0 |
| Last M-flare | 2026/06/06 | M1.8 |
| Last geomagnetic storm | 2026/06/05 | Kp6+ (G2) |
| Spotless days | |
|---|---|
| Last 365 days | 3 days |
| 2026 | 3 days (2%) |
| Last spotless day | 2026/02/24 |
| Monthly mean Sunspot Number | |
|---|---|
| May 2026 | 101.4 +22.1 |
| June 2026 | 140.7 +39.3 |
| Last 30 days | 104.6 +13.7 |
This day in history*
Aurora on this day in history
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