| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2024/04/18 | 10 | 140 | DAC | S10E12 | |
| 2024/04/19 | 9 | 160 | DAC | S10W02 | |
| 2024/04/20 | 10 | 200 | DAC | S13W15 | |
| 2024/04/21 | 12 | 220 | DAC | S13W29 | |
| 2024/04/22 | 17 | 200 | DAC | S13W44 | |
| 2024/04/23 | 20 | 190 | DAC | S13W56 | |
| 2024/04/24 | 12 | 140 | DAI | S13W67 | |
| 2024/04/25 | 8 | 120 | DAC | S13W82 | |
| 2024/04/26 | 3 | 80 | BXO | S13W92 |
| C | M |
|---|---|
| 10 | 5 |
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | M2.1 | 2024/04/19 | 04:40 | 04:53 | 05:03 | |
| 2 | M1.6 | 2024/04/18 | 19:22 | 20:01 | 20:12 | |
| 3 | M1.6 | 2024/04/18 | 20:12 | 20:16 | 20:21 | |
| 4 | M1.1 | 2024/04/24 | 22:27 | 22:50 | 22:54 | |
| 5 | M1.0 | 2024/04/19 | 12:53 | 13:06 | 13:23 | |
| 6 | C6.5 | 2024/04/22 | 00:30 | 00:39 | 01:13 | |
| 7 | C5.4 | 2024/04/21 | 20:42 | 20:55 | 21:10 | |
| 8 | C4.1 | 2024/04/19 | 01:37 | 01:48 | 01:52 | |
| 9 | C4.1 | 2024/04/19 | 01:51 | 01:57 | 02:01 | |
| 10 | C3.9 | 2024/04/26 | 07:41 | 07:48 | 07:58 |
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| Last X-flare | 2026/02/04 | X4.3 |
| Last M-flare | 2026/02/04 | 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 | 133 +9 |
| Last 30 days | 120.6 +10.9 |