Viewing archive of Friday, 8 May 2009
GFZ Potsdam official Kp-index
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Disturbance storm-time index
NOAA estimated Kp-index
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All times in UTC
Latest 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
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Latest alerts
14:00 UTC - Geomagnetic activity
Minor G1 geomagnetic storm (Kp5) Threshold Reached: 13:52 UTC
12:00 UTC - Geomagnetic activity
Minor G1 geomagnetic storm (Kp5) Threshold Reached: 11:42 UTC
09:39 UTC - Hemispheric Power Index
The OVATION model predicts the Hemispheric Power Index to reach 76GW at 10:30 UTC
03:39 UTC - Hemispheric Power Index
The OVATION model predicts the Hemispheric Power Index to reach 51GW at 04:37 UTC
02:30 UTC - Geomagnetic activity
Active geomagnetic conditions (Kp4) Threshold Reached: 02:24 UTC
Space weather facts
| Last X-flare | 2025/03/28 | X1.1 |
| Last M-flare | 2025/04/20 | M1.0 |
| Last geomagnetic storm | 2025/04/20 | Kp5 (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| March 2025 | 134.2 -20.4 |
| April 2025 | 119.2 -15 |
| Last 30 days | 113.3 -31 |