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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April 2011 |
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Monday Mon. |
Tuesday Tues. |
Wednesday Wed. |
Thursday Thurs. |
Friday Fri. |
Saturday Sat. |
Sunday Sun. |
1C4.98 Kp4- | 2C1.17 Kp4+ | 3C1.8 Kp4- | ||||
4C1.21 Kp3+ | 5C1.03 Kp3- | 6C2.78 Kp5 | 7C2.58 Kp3 | 8C1.04 Kp4 | 9C1.89 Kp3 | 10B7.07 Kp1 |
11C2.57 Kp3 | 12C4.49 Kp5 | 13C3.65 Kp4- | 14C7.12 Kp2 | 15M1.95 Kp2 | 16C8.27 Kp1 | 17C2.06 Kp2- |
18C2.69 Kp3+ | 19C1.46 Kp2+ | 20C5.81 Kp5 | 21M1.23 Kp2- | 22M2.64 Kp2+ | 23C3.5 Kp2 | 24C3.45 Kp3+ |
25C1.31 Kp3- | 26B6.05 Kp1- | 27C2.92 Kp1- | 28C3.53 Kp1+ | 29C5.46 Kp5+ | 30C4.7 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 1359Strong 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 |