| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2017/01/21 | 4 | 20 | BXO | N12E49 | |
| 2017/01/22 | 8 | 120 | DAI | N12E36 | |
| 2017/01/23 | 8 | 210 | DAO | N12E21 | |
| 2017/01/24 | 8 | 220 | DSO | N12E07 | |
| 2017/01/25 | 6 | 210 | EAO | N13W05 | |
| 2017/01/26 | 7 | 180 | CAO | N12W22 | |
| 2017/01/27 | 5 | 120 | CAO | N11W34 | |
| 2017/01/28 | 5 | 110 | CSO | N12W48 | |
| 2017/01/29 | 3 | 110 | HSX | N12W64 | |
| 2017/01/30 | 1 | 110 | HSX | N11W79 |
| A | B | C | M |
|---|---|---|---|
| 1 | 14 | 7 | 1 |
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | M1.34 | 2017/01/21 | 07:14 | 07:26 | 07:29 | |
| 2 | C8.74 | 2017/01/21 | 10:59 | 11:08 | 11:11 | |
| 3 | C2.51 | 2017/01/21 | 13:19 | 13:26 | 13:30 | |
| 4 | C1.75 | 2017/01/21 | 06:23 | 06:29 | 06:36 | |
| 5 | C1.59 | 2017/01/21 | 10:19 | 10:23 | 10:27 | |
| 6 | C1.4 | 2017/01/21 | 09:40 | 09:46 | 09:52 | |
| 7 | C1.15 | 2017/01/21 | 07:02 | 07:05 | 07:09 | |
| 8 | C1.03 | 2017/01/21 | 03:00 | 03:05 | 03:07 | |
| 9 | B9.63 | 2017/01/21 | 02:28 | 02:31 | 02:36 | |
| 10 | B7.16 | 2017/01/21 | 02:10 | 02:17 | 02:21 |
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!
| Last X-flare | 2025/12/01 | X1.9 |
| Last M-flare | 2025/12/04 | M6.0 |
| Last geomagnetic storm | 2025/12/04 | Kp5 (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| November 2025 | 91.8 -22.8 |
| December 2025 | 175.4 +83.6 |
| Last 30 days | 107.3 +14.6 |