| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2001/09/17 | 3 | 130 | HSX | N12E70 | |
| 2001/09/18 | 2 | 180 | HAX | N13E57 | |
| 2001/09/19 | 3 | 200 | HAX | N12E44 | |
| 2001/09/20 | 6 | 210 | CAO | N12E30 | |
| 2001/09/21 | 9 | 210 | DAO | N12E17 | |
| 2001/09/22 | 10 | 140 | DKO | N11E04 | |
| 2001/09/23 | 6 | 110 | DAO | N12W10 | |
| 2001/09/24 | 5 | 100 | CAO | N12W23 | |
| 2001/09/25 | 5 | 80 | CSO | N12W36 | |
| 2001/09/26 | 2 | 70 | HSX | N12W50 | |
| 2001/09/27 | 1 | 70 | HSX | N12W64 | |
| 2001/09/28 | 1 | 40 | HSX | N12W77 | |
| 2001/09/29 | 1 | 30 | HRX | N12W90 |
| C | M |
|---|---|
| 2 | 1 |
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | M1.83 | 2001/09/18 | 15:31 | 15:38 | 15:43 | |
| 2 | C6 | 2001/09/21 | 04:48 | 04:55 | 05:02 | |
| 3 | C3.59 | 2001/09/21 | 01:17 | 01:29 | 01:32 |
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 | 2026/02/04 | X4.3 |
| Last M-flare | 2026/02/11 | M1.3 |
| Last geomagnetic storm | 2026/02/05 | Kp5+ (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| January 2026 | 112.6 -11.4 |
| February 2026 | 129.4 +16.8 |
| Last 30 days | 129.3 +29.3 |