Viewing archive of Saturday, 21 December 2019
Coronal holes
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
Anchorage, AKLatest news
Friday, 28 March 2025
X1.1 solar flare
Monday, 24 March 2025
Coronal hole faces Earth
Saturday, 22 March 2025
Strong G3 geomagnetic storm watch for 23 March
Latest forum messages
AR 4055 42CME 19Filaments and prominences 3Filaments and prominences (old topic) 756Unspecified geomagnetic activity 2239
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Latest alerts
12:39 UTC - Radio Blackout
Minor R1 radio blackout in progress (≥M1 - current: M1.18)
12:03 UTC - Solar flare
Moderate M2.7 flare
11:36 UTC - Solar flare
Moderate M2.08 flare
11:18 UTC - Radio Blackout
Minor R1 radio blackout in progress (≥M1 - current: M1.82)
07:39 UTC - Solar flare
Moderate M1.03 flare from sunspot region 4055
Space weather facts
| Last X-flare | 2025/03/28 | X1.1 |
| Last M-flare | 2025/04/12 | M2.0 |
| Last geomagnetic storm | 2025/04/06 | Kp5 (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| March 2025 | 134.2 -20.4 |
| April 2025 | 139.5 +5.3 |
| Last 30 days | 136.6 -3.5 |