Viewing archive of Tuesday, 20 July 2021
Solar flares
The archive is not available for this date.
All times in UTC
Current data suggests there is a slight possibility for aurora to appear at the following high latitude regions in the near future
NuukLatest news
Tuesday, 15 April 2025
CME arrival, G3 storm watch
Friday, 28 March 2025
X1.1 solar flare
Monday, 24 March 2025
Coronal hole faces Earth
Latest forum messages
Unspecified geomagnetic activity 2268Filaments and prominences 73Coronal holes 107GLE. Ground Level Enhancements 13Incoming & Unnumbered Active Regions 1770
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Latest alerts
01:00 UTC - Geomagnetic activity
Minor G1 geomagnetic storm (Kp5) Threshold Reached: 00:55 UTC
00:45 UTC - Geomagnetic activity
Active geomagnetic conditions (Kp4) Threshold Reached: 00:38 UTC
Saturday, 19 April 2025
20:12 UTC - Hemispheric Power Index
The OVATION model predicts the Hemispheric Power Index to reach 50GW at 21:17 UTC
11:55 UTC - Coronal hole
A southern hemisphere coronal hole is facing Earth. Enhanced solar wind could arrive in ~3 days
02:30 UTC - Geomagnetic activity
Active geomagnetic conditions (Kp4) Threshold Reached: 02:27 UTC
Space weather facts
| Last X-flare | 2025/03/28 | X1.1 |
| Last M-flare | 2025/04/18 | M4.4 |
| Last geomagnetic storm | 2025/04/16 | Kp8- (G4) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| March 2025 | 134.2 -20.4 |
| April 2025 | 120.1 -14.1 |
| Last 30 days | 115.7 -27.2 |