| Numero di macchie solari |
Dimensione | Classe Magn. | Classe Macchia | Posizione | |
|---|---|---|---|---|---|
| 2021/12/15 | 6 | 150 | DAO | S21E70 | |
| 2021/12/16 | 5 | 150 | DAO | S19E66 | |
| 2021/12/17 | 6 | 210 | DSO | S20E42 | |
| 2021/12/18 | 6 | 210 | DAO | S20E29 | |
| 2021/12/19 | 4 | 120 | CAO | S21E16 | |
| 2021/12/20 | 5 | 100 | CSO | S20E03 | |
| 2021/12/21 | 3 | 80 | HAX | S19W13 | |
| 2021/12/22 | 3 | 70 | HSX | S21W26 | |
| 2021/12/23 | 2 | 50 | HAX | S21W40 | |
| 2021/12/24 | 1 | 20 | HRX | S22W53 |
| B | C |
|---|---|
| 1 | 9 |
| Inizio | Massimo | Fine | ||||
|---|---|---|---|---|---|---|
| 1 | C4.9 | 2021/12/21 | 19:02 | 19:23 | 19:53 | |
| 2 | C4.5 | 2021/12/20 | 03:08 | 03:21 | 03:27 | |
| 3 | C3.4 | 2021/12/16 | 15:19 | 15:27 | 15:31 | |
| 4 | C3.0 | 2021/12/16 | 23:35 | 23:39 | 23:43 | |
| 5 | C2.3 | 2021/12/17 | 12:55 | 13:12 | 13:25 | |
| 6 | C1.8 | 2021/12/25 | 09:00 | 09:13 | 09:32 | |
| 7 | C1.4 | 2021/12/16 | 03:25 | 03:34 | 03:41 | |
| 8 | C1.3 | 2021/12/16 | 03:44 | 03:54 | 04:04 | |
| 9 | C1.1 | 2021/12/18 | 01:40 | 01:54 | 02:13 | |
| 10 | B7.8 | 2021/12/16 | 03:13 | 03:19 | 03:24 |
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!
| Ultimo brillamento X | 2026/04/24 | X2.5 |
| Ultimo brillamento M | 2026/05/16 | M1.9 |
| Ultima tempesta geomagnetica | 2026/05/15 | Kp6+ (G2) |
| Giorni senza macchie | |
|---|---|
| Ultimi 365 giorni | 3 giorni |
| 2026 | 3 giorni (2%) |
| Ultimo giorno senza macchie | 2026/02/24 |
| Media mensile Numero di Macchie Solari | |
|---|---|
| aprile 2026 | 79.3 -6.6 |
| maggio 2026 | 93.3 +14 |
| Ultimi 30 giorni | 96 +4.2 |