| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2025/09/15 | 6 | 20 | CRO | S26W16 | |
| 2025/09/16 | 3 | 10 | BXO | S26W30 | |
| 2025/09/17 | 2 | 10 | AXX | N26W47 | |
| 2025/09/18 | 1 | 10 | AXX | N25W56 | |
| 2025/09/19 | 1 | 10 | CRO | N24W69 | |
| 2025/09/20 | 1 | 10 | AXX | N24W86 | |
| 2025/09/21 | 1 | 10 | AXX | N24W98 |
| C |
|---|
| 2 |
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C2.6 | 2025/09/20 | 04:34 | 04:52 | 05:21 | |
| 2 | C1.9 | 2025/09/19 | 12:49 | 12:58 | 13:06 |
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| Last X-flare | 2026/03/30 | X1.4 |
| Last M-flare | 2026/03/28 | M1.3 |
| Last geomagnetic storm | 2026/03/25 | Kp5+ (G1) |
| Spotless days | |
|---|---|
| Last 365 days | 3 days |
| 2026 | 3 days (3%) |
| Last spotless day | 2026/02/24 |
| Monthly mean Sunspot Number | |
|---|---|
| February 2026 | 78.2 -34.3 |
| March 2026 | 88.4 +10.2 |
| Last 30 days | 88.4 +14.9 |