| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2024/04/17 | 3 | 30 | CSO | N21E59 | |
| 2024/04/18 | 8 | 70 | CRO | N22E47 | |
| 2024/04/19 | 5 | 20 | BXO | N21E36 | |
| 2024/04/20 | 3 | 10 | BXO | N35E09 | |
| 2024/04/21 | 8 | 30 | CAO | N23E12 | |
| 2024/04/22 | 14 | 100 | CAI | N21W00 | |
| 2024/04/23 | 18 | 200 | DAI | N21W13 | |
| 2024/04/24 | 12 | 230 | DAI | N22W29 | |
| 2024/04/25 | 9 | 130 | DAO | N21W40 | |
| 2024/04/26 | 5 | 90 | CAO | N21W53 | |
| 2024/04/27 | 2 | 30 | CAO | N22W61 | |
| 2024/04/28 | 1 | 10 | AXX | N24W73 |
| C | M |
|---|---|
| 2 | 1 |
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | M1.6 | 2024/04/22 | 15:08 | 15:19 | 15:32 | |
| 2 | C7.3 | 2024/04/24 | 04:33 | 04:40 | 04:46 | |
| 3 | C6.2 | 2024/04/23 | 22:49 | 22:54 | 22:58 |
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| Last X-flare | 2026/02/04 | X4.3 |
| Last M-flare | 2026/02/05 | M1.8 |
| Last geomagnetic storm | 2026/01/28 | Kp5+ (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| December 2025 | 124 +32.2 |
| February 2026 | 141.3 +17.3 |
| Last 30 days | 123.1 +14.7 |