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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September 1999 |
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Monday Mon. |
Tuesday Tues. |
Wednesday Wed. |
Thursday Thurs. |
Friday Fri. |
Saturday Sat. |
Sunday Sun. |
1C9.5 Kp4+ | 2C7.64 Kp3+ | 3C2.5 Kp4 | 4C1.46 Kp3+ | 5C2.89 Kp3 | ||
6C2.54 Kp2 | 7C3.96 Kp4+ | 8M2.01 Kp3 | 9C4.79 Kp4- | 10C1.24 Kp4- | 11C1.53 Kp4 | 12C3.54 Kp6 |
13C7.06 Kp6 | 14C4.06 Kp5- | 15C4.16 Kp6- | 16M1.11 Kp6 | 17M3.06 Kp4+ | 18C4.24 Kp4 | 19M1.38 Kp3+ |
20C4.04 Kp3+ | 21M1.36 Kp4- | 22C7.54 Kp8 | 23C1.77 Kp6+ | 24B9.31 Kp2 | 25C1.06 Kp1+ | 26C1.46 Kp5+ |
27C3.13 Kp6- | 28C6.2 Kp5- | 29C3.19 Kp5- | 30C1.59 Kp5+ | |||
Latest news
Sunday, 8 December 2024
X2.2 solar flare, SDO outage
Thursday, 21 November 2024
Major far side eruption, S1 radiation storm
Monday, 11 November 2024
Coronal hole faces Earth
Latest forum messages
Incoming & Unnumbered Active Regions 1360Strong far side CME 338Unspecified geomagnetic activity 175150 mhz F2 51AR 13932 13
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Space weather facts
| Last X-flare | 2024/12/08 | X2.2 |
| Last M-flare | 2024/12/23 | M1.0 |
| Last geomagnetic storm | 2024/12/17 | Kp5+ (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| November 2024 | 152.5 -13.9 |
| December 2024 | 106.6 -45.9 |
| Last 30 days | 116.1 -41.8 |