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 | 2020/11/24 | 2783 | 100 | 4 | CSO | |
| 13 | 2020/01/27 | 2757 | 100 | 2 | CSO | |
| 14 | 2020/10/18 | 2776 | 100 | 6 | CSO | |
| 15 | 2020/12/01 | 2788 | 50 | 1 | AXX | |
| 16 | 2020/10/10 | 2775 | 50 | 5 | CRO | |
| 17 | 2020/11/21 | 2784 | 30 | 2 | CRO | |
| 18 | 2020/01/03 | 2755 | 30 | 4 | BXO | |
| 19 | 2020/08/19 | 2772 | 30 | 5 | CRO | |
| 20 | 2020/04/02 | 2759 | 30 | 2 | HRX | |
| 21 | 2020/12/16 | 2793 | 30 | 2 | CRO | |
| 22 | 2020/11/12 | 2782 | 30 | 6 | CRO | |
| 23 | 2020/07/30 | 2768 | 20 | 1 | HSX | |
| 24 | 2020/01/09 | 2756 | 20 | 3 | BXO | |
| 25 | 2020/03/08 | 2758 | 20 | 3 | CRO |
Latest news
Sunday, 7 December 2025
M8.1 solar flare with earth-directed CME
Monday, 1 December 2025
X1.9 solar flare, Coronal hole faces Earth
Friday, 14 November 2025
X4.0 solar flare
Latest forum messages
AR 4316 4CH 09 10Current Farside Activity 259Incoming & Unnumbered Active Regions 52Space Weather Memes 765
More topicsSupport SpaceWeatherLive.com!
A lot of people come to SpaceWeatherLive to follow the Solar activity or if there is a chance to see the aurora, but with more traffic comes higher costs to keep the servers online. If you like SpaceWeatherLive and want to support the project you can choose a subscription for an ad-free site or consider a donation. With your help we can keep SpaceWeatherLive online!
Space weather facts
| Last X-flare | 2025/12/08 | X1.1 |
| Last M-flare | 2025/12/20 | M1.0 |
| Last geomagnetic storm | 2025/12/12 | Kp5 (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| November 2025 | 91.8 -22.8 |
| December 2025 | 118.5 +26.7 |
| Last 30 days | 108.7 +20.4 |