| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2015/09/23 | 3 | 10 | BXO | S20E49 | |
| 2015/09/24 | 3 | 10 | BXO | S20E49 | |
| 2015/09/25 | 9 | 150 | DAI | S20E24 | |
| 2015/09/26 | 17 | 310 | EKO | S20E10 | |
| 2015/09/27 | 28 | 410 | EKC | S20W03 | |
| 2015/09/28 | 25 | 650 | EKC | S20W16 | |
| 2015/09/29 | 25 | 690 | FKC | S20W30 | |
| 2015/09/30 | 35 | 950 | FKC | S18W42 | |
| 2015/10/01 | 23 | 860 | FKC | S18W55 | |
| 2015/10/02 | 18 | 750 | FKC | S17W69 | |
| 2015/10/03 | 11 | 480 | FKC | S20W83 | |
| 2015/10/04 | 5 | 270 | DKO | S20W89 | |
| 2015/10/05 | 5 | 270 | DKO | S20W0* |
| B | C | M | X |
|---|---|---|---|
| 6 | 54 | 27 | 1 |
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | X1.09 | 2015/09/28 | 14:53 | 14:58 | 15:03 | |
| 2 | M7.97 | 2015/10/02 | 00:06 | 00:13 | 00:17 | |
| 3 | M6.59 | 2015/10/01 | 13:03 | 13:10 | 13:14 | |
| 4 | M4.24 | 2015/09/29 | 05:05 | 05:16 | 05:23 | |
| 5 | M2.79 | 2015/09/27 | 10:20 | 10:40 | 10:46 | |
| 6 | M2.3 | 2015/09/29 | 11:09 | 11:15 | 11:20 | |
| 7 | M2.03 | 2015/09/29 | 06:39 | 06:43 | 06:46 | |
| 8 | M1.86 | 2015/09/30 | 10:49 | 10:59 | 11:13 | |
| 9 | M1.7 | 2015/09/28 | 13:01 | 13:18 | 13:29 | |
| 10 | M1.7 | 2015/09/29 | 19:20 | 19:24 | 19:27 |
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 | 2025/12/08 | X1.1 |
| Last M-flare | 2025/12/10 | M4.4 |
| Last geomagnetic storm | 2025/12/10 | Kp6+ (G2) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| November 2025 | 91.8 -22.8 |
| December 2025 | 155.3 +63.5 |
| Last 30 days | 109 +10.8 |