Sunspot region AR12818
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2021/04/20 | 1 | 90 | HSX | S17E66 | |
| 2021/04/21 | 1 | 40 | HSX | S17E52 | |
| 2021/04/22 | 1 | 50 | HSX | S17E39 | |
| 2021/04/23 | 1 | 50 | HSX | S17E25 | |
| 2021/04/24 | 1 | 40 | HSX | S16E10 | |
| 2021/04/25 | 1 | 40 | HSX | S16W01 | |
| 2021/04/26 | 1 | 40 | HSX | S16W14 | |
| 2021/04/27 | 1 | 10 | HSX | S17W27 | |
| 2021/04/28 | 1 | 10 | HSX | S17W41 | |
| 2021/04/29 | 1 | 20 | HSX | S15W52 | |
| 2021/04/30 | 1 | 20 | HSX | S16W67 | |
| 2021/05/01 | 1 | 10 | AXX | S15W78 |
2021/04/20
2021/04/21
2021/04/22
2021/04/23
2021/04/24
2021/04/25
2021/04/26
2021/04/27
2021/04/28
2021/04/29
2021/04/30
2021/05/01
|
2021/04/20
2021/04/21
2021/04/22
2021/04/23
2021/04/24
2021/04/25
2021/04/26
2021/04/27
2021/04/28
2021/04/29
2021/04/30
2021/05/01
|
| B |
|---|
| 2 |
The top 2 solar flares from sunspot region 12818
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | B1.9 | 2021/04/30 | 04:04 | 04:17 | 04:33 | |
| 2 | B1.4 | 2021/04/30 | 04:48 | 04:55 | 05:02 |
Current data suggests there is a moderate possibility for aurora to appear at the following high latitude regions in the near future
Fairbanks, AKCurrent data suggests there is a slight possibility for aurora to appear at the following high latitude regions in the near future
Edmonton, AB, Gillam, MB, Saskatoon, SK, Whitehorse, YT, Yellowknife, NTAnchorage, AK, Juneau, AK, Utqiagvik, AK
Latest news
Friday, 28 March 2025
X1.1 solar flare
Monday, 24 March 2025
Coronal hole faces Earth
Saturday, 22 March 2025
Strong G3 geomagnetic storm watch for 23 March
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00:15 UTC - Geomagnetic activity
Minor G1 geomagnetic storm (Kp5) Threshold Reached: 23:59 UTC
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Space weather facts
| Last X-flare | 2025/03/28 | X1.1 |
| Last M-flare | 2025/04/01 | M2.5 |
| Last geomagnetic storm | 2025/03/27 | Kp5 (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| March 2025 | 134.2 -20.4 |
| April 2025 | 143 +8.8 |
| Last 30 days | 130.4 -16.1 |