Top 25 sunspot regions of 2020
On this page you will find an overview of the largest sunspot regions of the year 2020. This page is updated daily. Sunspot information comes from the NOAA SWPC.
| Region | Size | Number of sunspots | Class Magn. | Class Spot | ||
|---|---|---|---|---|---|---|
| 1 | 2020/11/25 | 2786 | 1000 | 6 | CKO | |
| 2 | 2020/11/06 | 2781 | 475 | 13 | EKI | |
| 3 | 2020/10/29 | 2778 | 300 | 8 | EKO | |
| 4 | 2020/12/25 | 2794 | 220 | 1 | HSX | |
| 5 | 2020/12/24 | 2795 | 200 | 4 | DAO | |
| 6 | 2020/12/03 | 2785 | 160 | 1 | HSX | |
| 7 | 2020/08/05 | 2770 | 160 | 3 | CSO | |
| 8 | 2020/10/29 | 2779 | 140 | 7 | DAI | |
| 9 | 2020/06/05 | 2765 | 130 | 3 | CAO | |
| 10 | 2020/07/22 | 2767 | 120 | 1 | HSX | |
| 11 | 2020/12/03 | 2790 | 110 | 6 | HSX | |
| 12 | 2020/01/27 | 2757 | 100 | 2 | CSO | |
| 13 | 2020/10/18 | 2776 | 100 | 6 | CSO | |
| 14 | 2020/11/24 | 2783 | 100 | 4 | CSO | |
| 15 | 2020/12/01 | 2788 | 50 | 1 | AXX | |
| 16 | 2020/10/10 | 2775 | 50 | 5 | CRO | |
| 17 | 2020/01/03 | 2755 | 30 | 4 | BXO | |
| 18 | 2020/08/19 | 2772 | 30 | 5 | CRO | |
| 19 | 2020/04/02 | 2759 | 30 | 2 | HRX | |
| 20 | 2020/12/16 | 2793 | 30 | 2 | CRO | |
| 21 | 2020/11/12 | 2782 | 30 | 6 | CRO | |
| 22 | 2020/11/21 | 2784 | 30 | 2 | CRO | |
| 23 | 2020/01/09 | 2756 | 20 | 3 | BXO | |
| 24 | 2020/03/08 | 2758 | 20 | 3 | CRO | |
| 25 | 2020/12/05 | 2791 | 20 | 5 | BXO |
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02:09 UTC - Solar flare
Moderate M1.54 flare from sunspot region 4048
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Minor R1 radio blackout in progress (≥M1 - current: M1.24)
Saturday, 29 March 2025
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Minor R1 radio blackout in progress (≥M1 - current: M1.1)
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Space weather facts
| Last X-flare | 2025/03/28 | X1.1 |
| Last M-flare | 2025/03/30 | M1.5 |
| Last geomagnetic storm | 2025/03/27 | Kp5 (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| February 2025 | 154.6 +17.6 |
| March 2025 | 127.5 -27.1 |
| Last 30 days | 127.5 -24.7 |